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abdominal pain

Practice targeted AMC-style multiple-choice questions on abdominal pain.

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Diverticular disease
Image by James Heilman, MD CC BY-SA 4.0 · Source

A 68-year-old man presents to the emergency department with a 2-day history of worsening left lower quadrant abdominal pain, associated with subjective fever, chills, and nausea. He reports some recent constipation. His past medical history includes hypertension and hyperlipidaemia, both well-controlled on medication. On examination, his temperature is 38.5°C, pulse 95 bpm, BP 130/80 mmHg, respiratory rate 18/min, oxygen saturation 98% on room air. Abdominal examination reveals tenderness and guarding in the left iliac fossa, with mild rebound tenderness. Bowel sounds are reduced. Digital rectal examination is unremarkable. Blood tests show a white cell count of 15 x 10^9/L (neutrophils 85%), haemoglobin 145 g/L, platelets 250 x 10^9/L, C-reactive protein of 120 mg/L. Urea, electrolytes, and creatinine are within normal limits. Liver function tests are normal. A CT scan of the abdomen and pelvis is performed (image provided). Considering the clinical presentation and the findings demonstrated in the provided image, which of the following represents the most appropriate initial management strategy?

A. Administration of oral antibiotics and analgesia, followed by discharge home with instructions for follow-up with his general practitioner.
B. Percutaneous drainage of the identified collection under imaging guidance, in addition to intravenous antibiotics.
C. Urgent surgical consultation for consideration of immediate laparoscopic sigmoid colectomy.
D. Preparation for urgent colonoscopy to assess the extent and severity of the inflammatory process.
E. Commencement of intravenous broad-spectrum antibiotics and close clinical observation, deferring any intervention unless clinical deterioration occurs.
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Neuroblastoma, CT of the abdomen
Image by RadsWiki CC BY-SA 3.0 · Source

A 4-year-old boy presents with a 3-week history of decreased appetite, lethargy, and intermittent abdominal pain. His parents note his abdomen seems larger. Vitals are stable. On examination, a firm, irregular mass is palpable in the upper abdomen. Blood work shows mild anaemia. The provided image is an axial CT slice of the abdomen. Considering the clinical presentation and the findings demonstrated in the image, which of the following investigations is the MOST appropriate initial step to support the suspected diagnosis?

A. Bone marrow biopsy
B. Fine needle aspiration of the mass
C. Urinary catecholamine metabolites (e.g., VMA, HVA)
D. Repeat CT scan with contrast
E. Serum alpha-fetoprotein
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Synchronous multiple small bowel intussusceptions in an adult with blue rubber bleb naevus syndrome. CT scan of abdomen showing i) multiple intussusceptions demonstrating doughnut signs (white arrows), intussusceptiens [A], intussusceptum [B], distended loop of small

bowel [C] and ii) haemangioma of right quadratus lumborum muscle (dark arrow).
Image by Lee C, Debnath D, Whitburn T, Farrugia M, Gonzalez F CC BY 2.0 · Source

A 38-year-old male presents to the emergency department with a 2-day history of intermittent abdominal pain, nausea, and vomiting. He reports passing dark, tarry stools. He has a known history of multiple cutaneous hemangiomas since childhood. On examination, his abdomen is distended and tender to palpation, particularly in the periumbilical region. Bowel sounds are hyperactive. Vitals are: HR 110 bpm, BP 100/60 mmHg, RR 20 breaths/min, SpO2 97% on room air, Temp 37.2°C. A CT scan of the abdomen and pelvis is performed, and a representative image is shown. Given the clinical presentation and imaging findings, what is the MOST appropriate initial management strategy?

A. Endoscopic evaluation with possible cauterization
B. Initiation of high-dose corticosteroids
C. Administration of intravenous antibiotics
D. Surgical exploration
E. Observation with serial abdominal examinations
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Acute cholecystitis with gallbladder wall thickening, a large gallstone, and a large gallbladder
Image by James Heilman, MD CC BY-SA 4.0 · Source

A 55-year-old woman presents with 2 days of worsening right upper quadrant pain radiating to her back, nausea, and subjective fever. On examination, she is tender in the RUQ. Vitals are stable. Labs show WCC 15.0, CRP 120. This image is obtained. Considering the clinical presentation and imaging findings, what is the recommended timing for definitive surgical management?

A. Only if symptoms fail to improve with antibiotics
B. Immediately upon diagnosis
C. Following a trial of ursodeoxycholic acid
D. Within 24-48 hours of admission
E. After 6-8 weeks following resolution of acute inflammation
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A 62-year-old male presents to his general practitioner with a six-month history of a painless bulge in his right groin. On examination, a soft swelling is palpable in the right inguinal region, which increases in size on coughing or straining. The swelling is located medial to the inferior epigastric vessels. Which of the following is the most appropriate initial management strategy according to current Australian guidelines?

A. Reassurance and watchful waiting, with advice to return if symptoms worsen.
B. Urgent referral to an emergency department for exclusion of strangulation.
C. Prescription of a truss to provide symptomatic relief.
D. Referral to a physiotherapist for core strengthening exercises.
E. Referral to a general surgeon for consideration of elective repair.
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Ileitis terminalis bei langjaehrigem Morbus Crohn 63W - CT und MRT - 001
Image by Hellerhoff CC BY-SA 4.0 · Source

A 32-year-old male with Crohn's disease presents with worsening abdominal pain and diarrhea despite being on maintenance infliximab. The provided imaging was obtained. What is the MOST appropriate next step in management?

A. Increase the dose of infliximab
B. Start a course of oral corticosteroids
C. Perform a colonoscopy with biopsy
D. Surgical resection of the affected bowel segment
E. Initiate treatment with metronidazole and ciprofloxacin
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Fluoroscopic image of common bile duct stone seen at the time of ERCP. The stone is impacted in the distal common bile duct.
Image by Samir धर्म at en.wikipedia CC BY-SA 3.0 · Source

A 62-year-old presents with jaundice and RUQ pain. The image was obtained during ERCP. What is the MOST appropriate next step?

A. Observation with serial LFTs
B. Ursodeoxycholic acid administration
C. Sphincterotomy and stone extraction
D. Cholecystectomy
E. Percutaneous transhepatic cholangiography
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Inguinal hernia right view. Adult male with an inguinal hernia, showing bulging in the groin area.
Image by IkeTheSloth CC0 1.0 · Source

A 58-year-old male presents to your GP clinic complaining of a dragging sensation in his right groin, particularly when standing for long periods. He denies any pain, nausea, or vomiting. On examination, you note the finding in the image. Palpation reveals a soft, reducible mass. What is the MOST appropriate next step in management?

A. Referral to a general surgeon for elective repair
B. Referral to physiotherapy for core strengthening exercises
C. Urgent referral to the emergency department
D. Prescription of a truss for symptomatic relief
E. Reassurance and watchful waiting
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Synchronous multiple small bowel intussusceptions in an adult with blue rubber bleb naevus syndrome. CT scan of abdomen showing i) multiple intussusceptions demonstrating doughnut signs (white arrows), intussusceptiens [A], intussusceptum [B], distended loop of small

bowel [C] and ii) haemangioma of right quadratus lumborum muscle (dark arrow).
Image by Lee C, Debnath D, Whitburn T, Farrugia M, Gonzalez F CC BY 2.0 · Source

A 35-year-old male with a history of multiple cutaneous vascular lesions presents with recurrent episodes of crampy abdominal pain and melena over the past month. His vital signs are stable. An abdominal CT scan is performed. Considering the clinical presentation and the findings demonstrated in the provided image, what is the most likely underlying pathology responsible for the patient's symptoms and the observed bowel findings?

A. Mesenteric adenitis triggering intussusception
B. Inflammatory strictures leading to obstruction
C. Lymphoid hyperplasia causing transient intussusception
D. Malignant polyps causing intussusception
E. Intestinal haemangiomas acting as lead points
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Neuroblastoma, CT of the abdomen
Image by RadsWiki CC BY-SA 3.0 · Source

A 3-year-old child is investigated for a 2-month history of increasing abdominal distension and intermittent pain. On examination, a firm, non-tender mass is palpable in the upper abdomen. Initial blood tests reveal mild anaemia. Vital signs are stable. The provided image was obtained as part of the diagnostic evaluation. Considering the clinical presentation and the findings demonstrated, which of the following investigations is most crucial for determining the extent of disease spread, a key factor in guiding subsequent management decisions for this paediatric patient?

A. 123I-MIBG scintigraphy
B. Urinary vanillylmandelic acid (VMA) and homovanillic acid (HVA) levels
C. MYCN gene amplification testing
D. Whole-body PET-CT scan
E. Bone marrow biopsy
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Synchronous multiple small bowel intussusceptions in an adult with blue rubber bleb naevus syndrome. CT scan of abdomen showing i) multiple intussusceptions demonstrating doughnut signs (white arrows), intussusceptiens [A], intussusceptum [B], distended loop of small

bowel [C] and ii) haemangioma of right quadratus lumborum muscle (dark arrow).
Image by Lee C, Debnath D, Whitburn T, Farrugia M, Gonzalez F CC BY 2.0 · Source

A 45-year-old male with a known history of Blue Rubber Bleb Naevus Syndrome, characterised by recurrent gastrointestinal bleeding and multiple cutaneous vascular lesions, presents to the emergency department with acute onset severe, colicky abdominal pain, nausea, and vomiting. On examination, his abdomen is distended and diffusely tender with reduced bowel sounds. Vital signs are within normal limits. An urgent abdominal CT scan is performed. Based on the clinical presentation and the findings demonstrated in the image, what is the most appropriate immediate next step in management?

A. Urgent surgical exploration and reduction/resection
B. Attempt air enema reduction under fluoroscopy
C. Urgent upper gastrointestinal endoscopy for reduction
D. Nasogastric tube insertion, intravenous fluids, and observation
E. Obtain an urgent abdominal MRI for further characterisation
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Acute cholecystitis with gallbladder wall thickening, a large gallstone, and a large gallbladder
Image by James Heilman, MD CC BY-SA 4.0 · Source

A 62-year-old woman presents to the emergency department with a 2-day history of right upper quadrant abdominal pain, nausea, and vomiting. She reports that the pain started gradually but has become increasingly severe and constant. She denies any fever or chills. Her past medical history is significant for hypertension and hyperlipidemia, both well-controlled with medications. On physical examination, she is afebrile, with a heart rate of 92 bpm, blood pressure of 140/85 mmHg, and an oxygen saturation of 98% on room air. Abdominal examination reveals marked tenderness to palpation in the right upper quadrant with guarding. Murphy's sign is positive. The provided image was obtained. Which of the following is the MOST appropriate next step in the management of this patient?

A. Initiate intravenous antibiotics and observe
B. Perform an endoscopic retrograde cholangiopancreatography (ERCP)
C. Order a hepatobiliary iminodiacetic acid (HIDA) scan
D. Administer oral analgesics and discharge with outpatient follow-up
E. Surgical consultation for cholecystectomy
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Ileitis terminalis bei langjaehrigem Morbus Crohn 63W - CT und MRT - 001
Image by Hellerhoff CC BY-SA 4.0 · Source

A 28-year-old male with Crohn's presents with increased abdominal pain, non-bloody diarrhea, and fatigue for 3 weeks. He denies fever. Exam shows mild RLQ tenderness. Labs show elevated CRP. Imaging is shown. What is the MOST appropriate next step?

A. Prescribe antibiotics for possible infectious colitis
B. Schedule a colonoscopy with biopsy
C. Start a course of oral corticosteroids
D. Initiate anti-TNF therapy
E. Increase mesalamine dose
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Diverticular disease
Image by James Heilman, MD CC BY-SA 4.0 · Source

A 68-year-old man presents to the emergency department with a 2-day history of worsening left lower quadrant abdominal pain, associated with subjective fever, chills, and nausea. He reports some recent constipation. On examination, his temperature is 38.5°C, pulse 95 bpm, BP 130/80 mmHg. Abdominal examination reveals tenderness and guarding in the left iliac fossa. Bowel sounds are reduced. Blood tests show a white cell count of 15 x 10^9/L (neutrophils 85%) and C-reactive protein of 120 mg/L. Urea, electrolytes, and creatinine are within normal limits. A CT scan of the abdomen and pelvis is performed (image provided). Considering the clinical presentation and the findings demonstrated in the provided image, which of the following represents the most appropriate initial management strategy?

A. Conservative management with analgesia and observation.
B. Oral antibiotics and outpatient management.
C. Urgent surgical resection of the affected segment.
D. Colonoscopy to assess the severity of diverticular disease.
E. Intravenous antibiotics and consider percutaneous drainage.
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Figure 3 of paper: Alveolar echinococcosis in a patient with immunosuppression.

(a) Abdominal gray-scale US shows an abscess-like hepatic image.
(b) Axial unenhanced CT shows a typical aspect of pyogenic liver abscess.
Image by Wenya Liu, Éric Delabrousse, Oleg Blagosklonov, Jing Wang, Hongchun Zeng, Yi Jiang, Jian Wang, Yongde Qin, Dominique Angèle Vuitton, Hao Wen CC BY 4.0 · Source

A 62-year-old man, post-renal transplant, presents with RUQ pain and fever. Imaging is shown. What is the MOST appropriate next step in management?

A. Metronidazole
B. Amphotericin B
C. Observation and serial imaging
D. Percutaneous drainage and antibiotics
E. Albendazole and surgical resection
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Synchronous multiple small bowel intussusceptions in an adult with blue rubber bleb naevus syndrome. CT scan of abdomen showing i) multiple intussusceptions demonstrating doughnut signs (white arrows), intussusceptiens [A], intussusceptum [B], distended loop of small

bowel [C] and ii) haemangioma of right quadratus lumborum muscle (dark arrow).
Image by Lee C, Debnath D, Whitburn T, Farrugia M, Gonzalez F CC BY 2.0 · Source

A 35-year-old male with a history of multiple cutaneous vascular lesions presents with recurrent episodes of crampy abdominal pain and melena over the past month. His vital signs are stable. An abdominal CT scan is performed. Considering the clinical presentation and the findings demonstrated in the provided image, what is the most appropriate next step in the management of this patient?

A. Obtain an urgent abdominal MRI for better soft tissue detail
B. Surgical consultation for potential exploration
C. Conservative management with IV fluids and observation
D. Urgent colonoscopy to assess the bowel lumen
E. Attempt hydrostatic reduction with barium enema
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Elective abdominal ultrasonography of a 64 year old woman with past colicky pain but no current pain. It shows a mildly dilated common bile duct with what appears to be a gallstone (black arrow). The green and blue dots are blood flow, since the exam is done as a Doppler ultrasound to distinguish the bile duct from blood vessels.
Image by Mikael Häggström CC0 1.0 · Source

A 64-year-old woman presents for a routine health check. She reports intermittent episodes of colicky abdominal pain over the past year, which have resolved spontaneously. She denies any current pain, jaundice, fever, or changes in bowel habits. Her physical examination is unremarkable, with a soft, non-tender abdomen. Liver function tests are within normal limits. An abdominal ultrasound, as shown, was performed. Given the clinical context and the ultrasound findings, what is the MOST appropriate next step in management?

A. Recommend a high-fibre diet and analgesics as needed
B. Referral for endoscopic retrograde cholangiopancreatography (ERCP)
C. Schedule a repeat ultrasound in 6 months
D. Prescribe ursodeoxycholic acid and monitor liver function tests
E. Order a hepatobiliary iminodiacetic acid (HIDA) scan
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Diverticulitis in the left lower quadrant. There is outpouching of the colonic wall, wall thickening, and surrounding fat stranding.
Image by James Heilman, MD CC BY-SA 3.0 · Source

A 62-year-old male presents with LLQ pain and fever. The provided image was obtained. What is the most appropriate initial management?

A. Surgical consultation for possible resection
B. Oral antibiotics and outpatient follow-up
C. Colonoscopy to rule out malignancy
D. Stool culture to rule out infectious colitis
E. IV antibiotics and admission for observation
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An incarcerated inguinal hernia as seen on CT
Image by James Heilman, MD CC BY-SA 3.0 · Source

A 65-year-old male presents with groin pain and vomiting. The provided image was taken. What is the most appropriate next step in management?

A. Discharge with stool softeners
B. Administer intravenous antibiotics
C. Apply ice packs to the groin
D. Start a clear liquid diet
E. Surgical consultation for possible bowel resection
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Upright X-ray demonstrating small bowel obstruction
Image by James Heilman, MD CC BY-SA 3.0 · Source

A 68-year-old male presents to the ED with abdominal distension, obstipation, and vomiting. He reports a history of multiple abdominal surgeries. An upright abdominal X-ray is performed. Based on the image, what is the MOST appropriate next step in management?

A. CT abdomen with contrast
B. Increase oral fluid intake
C. Stool softeners
D. Surgical consultation
E. Oral antibiotics
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Synchronous multiple small bowel intussusceptions in an adult with blue rubber bleb naevus syndrome. CT scan of abdomen showing i) multiple intussusceptions demonstrating doughnut signs (white arrows), intussusceptiens [A], intussusceptum [B], distended loop of small

bowel [C] and ii) haemangioma of right quadratus lumborum muscle (dark arrow).
Image by Lee C, Debnath D, Whitburn T, Farrugia M, Gonzalez F CC BY 2.0 · Source

A 45-year-old male presents with intermittent abdominal pain, bloating, and melena. He has a history of multiple cutaneous hemangiomas. A CT scan of the abdomen is performed, as shown. What is the MOST likely underlying cause of the patient's presentation?

A. Peutz-Jeghers syndrome
B. Blue rubber bleb nevus syndrome
C. Gardner syndrome
D. Cronkhite-Canada syndrome
E. Henoch-Schönlein purpura
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Fluoroscopic image of common bile duct stone seen at the time of ERCP. The stone is impacted in the distal common bile duct.
Image by Samir धर्म at en.wikipedia CC BY-SA 3.0 · Source

A 62-year-old male presents with jaundice and right upper quadrant pain. Initial labs show elevated bilirubin and alkaline phosphatase. An ERCP is performed, and the image is obtained. What is the MOST appropriate next step in management?

A. Percutaneous transhepatic biliary drainage
B. Cholecystectomy
C. Sphincterotomy and stone extraction
D. Observation with serial liver function tests
E. Ursodeoxycholic acid administration
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Fluoroscopic image of common bile duct stone seen at the time of ERCP. The stone is impacted in the distal common bile duct.
Image by Samir धर्म at en.wikipedia CC BY-SA 3.0 · Source

A 72-year-old presents with acute cholangitis (fever, jaundice, RUQ pain). LFTs show obstructive pattern. ERCP is performed for biliary decompression and stone extraction. Following successful cannulation and cholangiography, the image is obtained. Based on the findings demonstrated in the image, what is the most appropriate immediate next step during this procedure?

A. Terminate the procedure and schedule surgery
B. Attempt stone extraction with a balloon catheter
C. Administer intravenous antibiotics and observe
D. Perform a sphincterotomy
E. Insert a biliary stent
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Giant hiatal hernia, CT image. 63 year old man.
Image by Jmarchn CC BY 4.0 · Source

A 63-year-old man presents with increasing postprandial fullness and epigastric discomfort. He reports occasional regurgitation of undigested food. A CT scan of the abdomen is performed. Based on the image, what is the MOST appropriate next step in management?

A. H. pylori testing and eradication if positive
B. Surgical repair
C. Trial of proton pump inhibitors
D. Endoscopic surveillance
E. Dietary modification and lifestyle advice
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Neuroblastoma, CT of the abdomen
Image by RadsWiki CC BY-SA 3.0 · Source

A 3-year-old presents with abdominal distension and bone pain. An abdominal CT is performed (image attached). Which of the following is the MOST appropriate initial investigation to confirm the suspected diagnosis?

A. Urine catecholamine metabolites
B. Liver function tests
C. Bone marrow biopsy
D. Alpha-fetoprotein level
E. Complete blood count
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Upright X-ray demonstrating small bowel obstruction
Image by James Heilman, MD CC BY-SA 3.0 · Source

A 68-year-old male presents with abdominal distension and obstipation. An upright abdominal X-ray is performed. What is the MOST appropriate next step in management?

A. Stool softeners
B. Colonoscopy
C. Barium enema
D. Increase oral fluid intake
E. Surgical consultation
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An incarcerated inguinal hernia as seen on CT
Image by James Heilman, MD CC BY-SA 3.0 · Source

A 68-year-old male presents to the ED with severe groin pain and a palpable mass. He reports a history of a reducible bulge in the same area, but today it is firm and tender. He denies fever, nausea, or vomiting. Examination reveals stable vital signs. Review the provided image. What is the MOST appropriate next step in management?

A. Pain management and discharge with surgical follow-up
B. Referral for elective surgical repair
C. Broad-spectrum antibiotics and observation
D. Trial of manual reduction with sedation
E. Surgical consultation for emergent repair
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X-ray of hiatal hernia
Image by Ahmed Farhat, Daryn Towle CC BY 4.0 · Source

A 78-year-old male presents with persistent vomiting and epigastric pain. He reports a history of NSAID use for chronic arthritis. An X-ray is performed. Which of the following is the MOST likely complication associated with this finding?

A. Aortic dissection
B. Gastric volvulus
C. Pneumonia
D. Pericarditis
E. Esophageal stricture
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Diverticulitis in the left lower quadrant. There is outpouching of the colonic wall, wall thickening, and surrounding fat stranding.
Image by James Heilman, MD CC BY-SA 3.0 · Source

A 58-year-old male presents with left lower quadrant abdominal pain and a low-grade fever. The provided image was obtained. What is the most likely diagnosis?

A. Ovarian cyst
B. Sigmoid volvulus
C. Diverticulitis
D. Appendicitis
E. Ulcerative colitis
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A 30-year-old man presents to the emergency department with severe right lower quadrant abdominal pain, nausea, and vomiting. The pain started around the umbilicus and then localized to the right lower quadrant. On examination, he has tenderness and guarding in the right lower quadrant. His temperature is 38.3°C, heart rate is 100 bpm, and blood pressure is 120/80 mmHg. What is the most likely diagnosis?

A. Diverticulitis
B. Acute appendicitis
C. Acute cholecystitis
D. Renal colic
E. Gastroenteritis
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An incarcerated inguinal hernia as seen on CT
Image by James Heilman, MD CC BY-SA 3.0 · Source

An 80-year-old male presents to the emergency department with sudden onset of severe right groin pain and a non-reducible bulge. He has a history of a reducible inguinal hernia. Vitals are stable. A CT scan of the pelvis is performed. Considering the clinical presentation and the provided imaging, what is the most appropriate immediate management step?

A. Discharge home with advice to see GP if symptoms worsen.
B. Urgent surgical consultation for potential operative intervention.
C. Administer analgesia and observe for spontaneous reduction.
D. Attempt manual reduction under sedation.
E. Order an urgent ultrasound of the groin.
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Upright X-ray demonstrating small bowel obstruction
Image by James Heilman, MD CC BY-SA 3.0 · Source

A 75-year-old female presents to the emergency department with a 24-hour history of worsening colicky abdominal pain, nausea, and multiple episodes of bilious vomiting. She reports no passage of flatus or stool for the past 18 hours. Her past medical history includes an open appendectomy 30 years ago and a hysterectomy 10 years ago. On examination, she is afebrile, heart rate 92 bpm, blood pressure 130/80 mmHg, respiratory rate 18/min, oxygen saturation 98% on room air. Her abdomen is distended and diffusely tender to palpation, with high-pitched tinkling bowel sounds on auscultation. A plain abdominal X-ray series, including the image provided, was obtained. Considering the patient's clinical presentation and the findings demonstrated in the provided image, which of the following represents the most appropriate immediate next step in her management?

A. Administer a large volume enema
B. Administer broad-spectrum intravenous antibiotics
C. Order a CT scan of the abdomen and pelvis with intravenous contrast
D. Proceed directly to exploratory laparotomy
E. Insert a nasogastric tube for decompression
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Diverticular disease
Image by James Heilman, MD CC BY-SA 4.0 · Source

A 62-year-old male with LLQ pain and mild fever has the CT abdomen shown. What is the MOST appropriate next step in management?

A. Colonoscopy to rule out malignancy
B. Oral antibiotics and outpatient follow-up
C. Stool culture to rule out infectious colitis
D. IV antibiotics and admission for observation
E. Surgical consultation for possible resection
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Upright X-ray demonstrating small bowel obstruction
Image by James Heilman, MD CC BY-SA 3.0 · Source

A 68-year-old male presents with abdominal pain, distension, and obstipation for 3 days, with a history of multiple abdominal surgeries. Vitals are HR 110, BP 110/70, T 37.8. Exam shows a distended abdomen with high-pitched bowel sounds. An upright abdominal X-ray is shown. Considering the clinical context and the imaging findings, which of the following is the MOST likely expected outcome with initial non-operative management?

A. Requirement for immediate surgical intervention
B. Resolution of symptoms within 48-72 hours
C. Spontaneous resolution within minutes of presentation
D. Need for long-term parenteral nutrition
E. Development of large bowel obstruction
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Synchronous multiple small bowel intussusceptions in an adult with blue rubber bleb naevus syndrome. CT scan of abdomen showing i) multiple intussusceptions demonstrating doughnut signs (white arrows), intussusceptiens [A], intussusceptum [B], distended loop of small

bowel [C] and ii) haemangioma of right quadratus lumborum muscle (dark arrow).
Image by Lee C, Debnath D, Whitburn T, Farrugia M, Gonzalez F CC BY 2.0 · Source

A 45-year-old male presents with intermittent abdominal pain and melena. The provided image was obtained. What associated cutaneous finding is most likely?

A. Blue rubber bleb naevi
B. Pustular lesions
C. Erythema nodosum
D. Café-au-lait spots
E. Spider angiomas
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An ultrasound showing target sign which is a characteristic finding for intussusception on ultrasound, this ultrasound is for a 3 year old boy with intestinal intussusception.
Image by Frank Gaillard CC BY-SA 3.0 · Source

A 3-year-old boy presents with intermittent abdominal pain and bloody stools. An ultrasound is performed. What is the MOST appropriate next step in management?

A. IV antibiotics
B. Appendectomy
C. Air enema
D. Stool culture
E. Observation
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Diverticulitis in the left lower quadrant. There is outpouching of the colonic wall, wall thickening, and surrounding fat stranding.
Image by James Heilman, MD CC BY-SA 3.0 · Source

A 55-year-old male presents to the emergency department with a 2-day history of left lower quadrant abdominal pain, associated with a low-grade fever (38.1°C) and mild nausea. He denies vomiting, diarrhoea, or rectal bleeding. On examination, he has localised tenderness in the left iliac fossa. His vital signs are stable: BP 130/80 mmHg, HR 78 bpm, RR 16/min, SpO2 98% on air. Blood tests show a white cell count of 12.5 x 10^9/L and CRP 45 mg/L. An abdominal CT scan is performed (image provided). Based on the clinical presentation and the provided image, what is the most appropriate initial management plan?

A. Intravenous antibiotics and hospital admission for observation.
B. Urgent surgical consultation for Hartmann's procedure.
C. Immediate colonoscopy to evaluate the colonic mucosa.
D. Discharge with advice on dietary modification and follow-up in 6 weeks.
E. Outpatient oral antibiotics and analgesia.
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Neuroblastoma, CT of the abdomen
Image by RadsWiki CC BY-SA 3.0 · Source

A 3-year-old presents with abdominal distension and bone pain. The provided image was obtained. What is the MOST likely source of the elevated urine HVA and VMA?

A. Hepatocytes
B. Adrenal cortical cells
C. Renal tubular cells
D. Neural crest cells
E. Pancreatic islet cells
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A 25-year-old woman presents to the clinic with a 2-week history of abdominal pain and diarrhea. She reports that the pain is crampy and occurs mostly in the lower abdomen. She has also noticed some blood in her stool. She has no significant past medical history and is not on any medications. On examination, she has mild tenderness in the lower abdomen but no rebound tenderness or guarding. What is the most likely diagnosis?

A. Diverticulitis
B. Ulcerative colitis
C. Irritable bowel syndrome
D. Celiac disease
E. Gastroenteritis
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CT, ultrasonography, SPECT and scintigraphy of intra-thyroid parathyroid adenoma
Image by Mnahi Bin Saeedan, Ibtisam Musallam Aljohani, Ayman Omar Khushaim, Salwa Qasim Bukhari, Salahudin Tayeb Elnaas CC BY 4.0 · Source

A 58-year-old woman presents with persistent fatigue, muscle weakness, and vague abdominal pain. Her serum calcium is 3.2 mmol/L (2.1-2.6 mmol/L), and PTH is 190 pg/mL (10-65 pg/mL). Renal function is normal. She denies any family history of endocrine disorders. Imaging studies are performed, as shown. What is the MOST appropriate next step in managing this patient?

A. Vitamin D supplementation and repeat calcium measurement in 3 months
B. Surgical excision of the identified lesion
C. Cinacalcet administration to lower PTH levels
D. Bisphosphonate therapy and monitoring of calcium levels
E. Thyroidectomy
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Endoscopy image of colon adenocarcinoma in sigmoid colon.
Image by Unknown CC BY-SA 3.0 · Source

A 72-year-old woman presents with iron deficiency anaemia and a 4-month history of intermittent lower abdominal pain and tenesmus. Colonoscopy was performed, and the image shows a finding in the sigmoid colon. Biopsies are pending but highly suspicious for malignancy. What is the MOST appropriate initial staging investigation?

A. CT scan of chest, abdomen, and pelvis
B. Endoscopic ultrasound
C. PET scan
D. MRI pelvis
E. Bone scan
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An ultrasound showing target sign which is a characteristic finding for intussusception on ultrasound, this ultrasound is for a 3 year old boy with intestinal intussusception.
Image by Frank Gaillard CC BY-SA 3.0 · Source

A previously healthy 2-year-old boy presents to the emergency department with a 1-day history of colicky abdominal pain. His parents report that the pain occurs in episodes, during which he cries intensely and pulls his legs up to his chest. Between episodes, he appears relatively comfortable. He has had one episode of vomiting. His parents also noticed a small amount of blood in his stool this morning. On examination, the child is alert but irritable. His abdomen is soft, but a palpable mass is noted in the right upper quadrant. An ultrasound is performed, with a representative image shown. What is the MOST appropriate initial management strategy?

A. Air enema under fluoroscopic guidance
B. Surgical exploration
C. Appendectomy
D. Observation with intravenous fluids
E. Barium enema
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Diverticular disease
Image by James Heilman, MD CC BY-SA 4.0 · Source

A 68-year-old male presents to the ED with left lower quadrant abdominal pain, fever, and nausea for 3 days. His WBC count is 14,000. A CT scan of the abdomen and pelvis is performed, the axial view is shown. What is the most appropriate next step in management?

A. Stool culture to rule out infectious colitis
B. IV antibiotics and bowel rest
C. Surgical resection of the affected bowel segment
D. Oral antibiotics and outpatient follow-up
E. Flexible sigmoidoscopy to rule out malignancy
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Acute cholecystitis with gallbladder wall thickening, a large gallstone, and a large gallbladder
Image by James Heilman, MD CC BY-SA 4.0 · Source

A 65-year-old male presents with 2 days of constant right upper quadrant pain radiating to the back, associated with nausea and subjective fever. On examination, he is febrile (38.5°C) with significant tenderness and a positive Murphy's sign in the right upper quadrant. His white cell count is elevated at 15 x 10^9/L, and CRP is 120 mg/L. Liver function tests are within normal limits. Considering the clinical presentation and the provided imaging, what is the most appropriate timing for definitive surgical management?

A. Within 72 hours of admission
B. Only if symptoms fail to resolve with antibiotics
C. Following a trial of percutaneous drainage
D. Urgently, within 6 hours
E. After 6-8 weeks of medical management
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A 55-year-old man presents to the emergency department with sudden onset severe abdominal pain radiating to the back. He has a history of hypertension and is a smoker. On examination, he is diaphoretic and in distress, with a blood pressure of 90/60 mmHg and a heart rate of 110 bpm. Abdominal examination reveals a pulsatile mass in the midline. What is the most likely diagnosis?

A. Acute myocardial infarction
B. Acute pancreatitis
C. Perforated peptic ulcer
D. Renal colic
E. Ruptured abdominal aortic aneurysm
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Synchronous multiple small bowel intussusceptions in an adult with blue rubber bleb naevus syndrome. CT scan of abdomen showing i) multiple intussusceptions demonstrating doughnut signs (white arrows), intussusceptiens [A], intussusceptum [B], distended loop of small

bowel [C] and ii) haemangioma of right quadratus lumborum muscle (dark arrow).
Image by Lee C, Debnath D, Whitburn T, Farrugia M, Gonzalez F CC BY 2.0 · Source

A 45-year-old male with a known history of Blue Rubber Bleb Naevus Syndrome, characterised by recurrent gastrointestinal bleeding and multiple cutaneous vascular lesions, presents to the emergency department with acute onset severe, colicky abdominal pain, nausea, and vomiting. On examination, his abdomen is distended and diffusely tender with reduced bowel sounds. Vital signs are within normal limits. An urgent abdominal CT scan is performed. Based on the clinical presentation and the findings demonstrated in the image, what is the most appropriate immediate next step in management?

A. Initiate broad-spectrum antibiotics for suspected peritonitis
B. Endoscopic evaluation of the small bowel
C. Barium enema for hydrostatic reduction
D. Laparotomy for reduction and resection of affected segments
E. Conservative management with nasogastric tube decompression and observation
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An incarcerated inguinal hernia as seen on CT
Image by James Heilman, MD CC BY-SA 3.0 · Source

A 68-year-old male presents to the ED with a painful lump in his groin that has been present for 3 days. He reports nausea but denies vomiting. His vital signs are stable. An abdominal CT is performed, and a slice is shown. What is the MOST appropriate next step in management?

A. Trial of manual reduction in the ED
B. Surgical consultation for emergent repair
C. Prescribe analgesics and discharge with surgical referral
D. Increase dietary fiber and schedule outpatient follow-up
E. Initiate intravenous antibiotics
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An ultrasound showing target sign which is a characteristic finding for intussusception on ultrasound, this ultrasound is for a 3 year old boy with intestinal intussusception.
Image by Frank Gaillard CC BY-SA 3.0 · Source

A 3-year-old boy presents with intermittent severe abdominal pain, vomiting, and lethargy. On examination, he is afebrile with a soft but slightly distended abdomen. An ultrasound is performed (image provided). Based on the clinical presentation and the image findings, what is the most appropriate next step in the management of this patient?

A. Pneumatic reduction under fluoroscopy
B. Admission for observation and IV fluids
C. Discharge home with pain relief
D. CT abdomen and pelvis
E. Urgent surgical exploration
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Elective abdominal ultrasonography of a 64 year old woman with past colicky pain but no current pain. It shows a mildly dilated common bile duct with what appears to be a gallstone (black arrow). The green and blue dots are blood flow, since the exam is done as a Doppler ultrasound to distinguish the bile duct from blood vessels.
Image by Mikael Häggström CC0 1.0 · Source

A 64-year-old woman presents for a routine health check. She reports intermittent episodes of colicky abdominal pain over the past year, but denies any current pain, jaundice, or fever. An abdominal ultrasound is performed, the image is shown. What is the MOST appropriate next step in management?

A. Administer ursodeoxycholic acid
B. Discharge with reassurance
C. Initiate a low-fat diet
D. Referral for elective cholecystectomy
E. Order a HIDA scan
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A 45-year-old woman presents to her GP with recurrent episodes of biliary colic. An ultrasound confirms the presence of multiple gallstones. She is otherwise healthy with no significant past medical history. After discussing management options, she opts for a laparoscopic cholecystectomy. Which of the following is the MOST appropriate next step in her preoperative assessment, according to Australian guidelines?

A. Routine liver function tests (LFTs) and coagulation studies
B. Cardiologic assessment with ECG
C. Upper endoscopy to exclude other causes of abdominal pain
D. Hepatobiliary iminodiacetic acid (HIDA) scan to assess gallbladder function
E. Magnetic resonance cholangiopancreatography (MRCP) to rule out choledocholithiasis
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