Practice targeted AMC-style multiple-choice questions on gastroenterology.
A 45-year-old male presents with intermittent abdominal pain and melena. The provided image was obtained. What is the most likely underlying cause?
A 64-year-old woman presents for follow-up after experiencing intermittent episodes of right upper quadrant colicky pain over the past year, which have since resolved. She denies any current pain, fever, jaundice, or changes in bowel habits. Physical examination is unremarkable, and recent liver function tests are within normal limits. An elective abdominal ultrasound was performed, yielding the image shown. Considering the clinical context and the findings demonstrated, what is the most appropriate next step in her management?
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 62-year-old male with a history of poorly controlled diabetes presents with fever, RUQ pain, and night sweats for 3 weeks. Initial blood cultures are negative. Imaging is performed, as shown. What is the MOST appropriate next step in management?
A 3-year-old boy presents with intermittent abdominal pain, vomiting, and currant jelly stools. An ultrasound is performed, revealing the finding shown. What is the MOST appropriate next step in the management of this patient?
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 62-year-old male with a history of hepatitis C presents with new onset ascites and right upper quadrant pain. His AFP is markedly elevated. A contrast-enhanced ultrasound is performed, as shown. What is the MOST appropriate next step in management?
A 68-year-old male presents with fatigue, weight loss, and vague abdominal discomfort. His past medical history includes a recent diagnosis of gastric mixed adenoneuroendocrine carcinoma (MANEC). The provided image was obtained as part of his staging workup. Which of the following is the MOST appropriate next step in management?
A 58-year-old male with known alcoholic cirrhosis undergoes surveillance. AFP is 600 ng/mL. The provided image was obtained. What is the next step?
A 63-year-old woman with a 20-year history of Crohn's disease presents with a one-month history of worsening abdominal pain, bloating, and occasional vomiting, associated with a 3kg weight loss. She is currently managed with mesalazine and azathioprine. Her vital signs are stable, and physical examination reveals mild right lower quadrant tenderness. Imaging is performed. Considering the clinical presentation and the provided images, which of the following represents the most appropriate next step in this patient's management?
A 6-week-old presents with projectile vomiting after feeds. An ultrasound is performed (shown). What is the MOST appropriate next step in management?
A 32-year-old male with a history of Crohn's disease presents with worsening abdominal pain, diarrhea, and a low-grade fever. He reports that his symptoms have been progressively worsening over the past few months despite being on maintenance therapy with azathioprine. A CT scan of the abdomen and pelvis is performed, as shown. Based on the imaging findings, which of the following is the MOST appropriate next step in management?
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 65-year-old male with known alcoholic cirrhosis presents for routine HCC screening. His AFP is 25 ng/mL. A CT scan with IV contrast is performed (image attached). What is the MOST appropriate next step in management?
A 58-year-old male with cirrhosis secondary to alcohol abuse presents with new-onset ascites and RUQ pain. His AFP is markedly elevated. A CT abdomen with IV contrast is performed, as shown. What is the MOST appropriate next step in confirming the suspected diagnosis?
A 45-year-old woman presents to the emergency department with severe right upper quadrant abdominal pain that started suddenly 3 hours ago. She describes the pain as sharp and radiating to her right shoulder. She has a history of gallstones but has never had surgery. On examination, she is febrile with a temperature of 38.5°C, her blood pressure is 110/70 mmHg, and her heart rate is 100 bpm. She has tenderness in the right upper quadrant with a positive Murphy's sign. Laboratory tests reveal leukocytosis and mildly elevated liver enzymes. An abdominal ultrasound shows gallstones and a thickened gallbladder wall with pericholecystic fluid. What is the most appropriate next step in the management of this patient?
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 since resolved. An abdominal ultrasound, as shown, was performed. Liver function tests are normal. Which of the following is the MOST appropriate next step in management?
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 58-year-old male presents with fatigue and microcytic anemia. He denies overt bleeding but reports occasional dark stools. Colonoscopy reveals the image shown. Biopsies confirm adenocarcinoma. What is the MOST appropriate next investigation to stage the cancer?
A 58-year-old woman with cholangitis undergoes ERCP. The image is obtained. What intervention is MOST appropriate at this time?
A 64-year-old woman presents with a history of intermittent RUQ pain. She denies jaundice or fever. An abdominal ultrasound was performed, as shown. What is the MOST appropriate next step in management?
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 55-year-old woman presents with 24 hours of severe right upper quadrant pain, fever, and nausea. Examination reveals RUQ tenderness and a positive Murphy's sign. Vitals: T 38.5°C, HR 105, BP 130/80, RR 18, SpO2 98% RA. Labs: WCC 16, CRP 120, LFTs normal. An urgent abdominal CT is performed. Considering the clinical presentation and the findings on the provided imaging, what is the most appropriate definitive management strategy for this patient?
A 58-year-old male with cirrhosis presents for routine surveillance. His AFP is elevated. A CT scan with contrast is performed (image attached). What is the MOST appropriate next step to determine definitive management?
A 63-year-old man presents with dysphagia and epigastric discomfort. A CT scan is performed, as shown. What is the MOST likely long-term complication?
A 65-year-old male with known alcoholic cirrhosis undergoes surveillance. The provided contrast-enhanced ultrasound was obtained. What is the MOST appropriate next step?
A 45-year-old male presents with intermittent abdominal pain and melena. He has multiple cutaneous hemangiomas. The provided image was obtained. What is the MOST likely underlying cause of the patient's presentation?
A 64-year-old woman presents for an elective abdominal ultrasound. Several months ago, she experienced a few episodes of intermittent, moderate-to-severe right upper quadrant pain that resolved spontaneously within a few hours each time. She denies any associated fever, chills, nausea, vomiting, or jaundice during those episodes or currently. She has no significant past medical history other than well-controlled hypertension. On examination today, she is afebrile, her vital signs are stable, and her abdomen is soft and non-tender. Routine blood tests performed prior to the ultrasound, including full blood count, liver function tests (bilirubin, alkaline phosphatase, AST, ALT, GGT), amylase, and lipase, are all within their respective normal reference ranges. The provided image is a representative view obtained during her ultrasound examination. Considering the patient's history, current clinical status, and the findings demonstrated in the image, what is the most appropriate next step in the management of this patient?
A 68-year-old woman presented to the emergency department with right upper quadrant abdominal pain, fever, and jaundice. Initial investigations showed a WCC of 14,000, total bilirubin 6.0, ALP 450, ALT 300. She was diagnosed with acute cholangitis and underwent urgent ERCP, during which the image was obtained. Following successful endoscopic stone extraction and significant clinical improvement with normalising inflammatory markers and liver function tests, what is the MOST appropriate next step in the long-term management of this patient's condition?
A 52-year-old female presents with right upper quadrant pain, fever, and leukocytosis. The image shows the likely cause. What is the MOST appropriate initial management?
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 68-year-old presents with a 3-day history of fever, jaundice, and severe RUQ pain radiating to the back. Vitals: T 38.5°C, BP 110/70, HR 95. LFTs show bilirubin 150, ALP 450, ALT 120. An ERCP is performed for stone extraction. The image is captured during the procedure after cannulation. Considering the findings demonstrated in the image, what is the most appropriate immediate next step in management during the current procedure?
A 28-year-old with Crohn's presents with new fever and abdominal pain. The patient's CRP is elevated. Review the imaging. What is the MOST appropriate next step?
A 62-year-old woman presents with right upper quadrant pain, fever, and leukocytosis. An abdominal CT scan is performed, as shown. She has a history of similar episodes that resolved spontaneously. What is the MOST appropriate next step in management?
A 65-year-old male presents with left lower quadrant abdominal pain for 3 days, associated with constipation. He denies fever. An abdominal CT scan is performed, the axial view is shown. What dietary advice is MOST appropriate at discharge?
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 since resolved. An abdominal ultrasound, as shown, was performed. Liver function tests are normal. Which of the following is the MOST appropriate next step in management?
A 60-year-old man presents to the clinic with a 6-month history of progressive difficulty in swallowing both solids and liquids. He also reports unintentional weight loss and occasional regurgitation of undigested food. On examination, there is no lymphadenopathy or abdominal masses. A barium swallow study shows a 'bird-beak' appearance of the lower esophagus. What is the most likely diagnosis?
A 48-year-old man with multiple cutaneous hemangiomas presents with crampy abdominal pain and guaiac-positive stools. The provided image was obtained. What is the MOST appropriate initial diagnostic test to identify the source of bleeding?
A 68-year-old presents with a 3-day history of fever, jaundice, and severe RUQ pain radiating to the back. Vitals: T 38.5°C, BP 110/70, HR 95. LFTs show bilirubin 150, ALP 450, ALT 120. An ERCP is performed for stone extraction. The image is captured during the procedure after cannulation. Considering the findings demonstrated in the image, what is the most appropriate immediate next step in management during the current procedure?
A 64-year-old woman with past colicky pain had this ultrasound. LFTs are normal. What is the MOST appropriate next step?
A 68-year-old male presents to his GP complaining of a change in bowel habit over the past 6 months. He reports increasing constipation alternating with episodes of diarrhea. He also mentions unintentional weight loss of approximately 5 kg during this period. He denies any family history of bowel cancer. A colonoscopy was performed, and a representative image is shown. Assuming the lesion is confirmed as malignant, what is the MOST appropriate next step in the management of this patient?
A 62-year-old male presents with rectal bleeding and altered bowel habits. Colonoscopy findings are shown. What is the MOST appropriate next step?
A 62-year-old male presents to the emergency department complaining of worsening abdominal pain, fatigue, and a 10kg unintentional weight loss over the past 3 months. He reports a history of peptic ulcer disease treated with long-term proton pump inhibitors. Physical examination reveals mild hepatomegaly and trace ascites. Initial laboratory investigations show elevated alkaline phosphatase and gamma-glutamyl transferase (GGT), with normal bilirubin and transaminases. A CT scan of the abdomen and pelvis with contrast is performed, and relevant images are shown. Given the clinical presentation and the findings on the imaging, which of the following is the MOST appropriate next step in management?
A 45-year-old man presents to the emergency department with severe epigastric pain radiating to his back, which started suddenly a few hours ago. He has a history of alcohol use disorder and has been drinking heavily over the past week. On examination, he is diaphoretic and in distress. His vital signs show a blood pressure of 100/60 mmHg, heart rate of 110 bpm, respiratory rate of 22 breaths per minute, and temperature of 37.8°C. Laboratory tests reveal elevated serum lipase and amylase levels. An abdominal ultrasound shows no gallstones. Which of the following is the most appropriate initial management step for this patient?
A 68-year-old male presents to the ED with left lower quadrant abdominal pain, fever, and leukocytosis. A CT scan of the abdomen and pelvis is performed. Based on the image, what is the most appropriate next step in management?
A 28-year-old male with a history of Crohn's disease presents with increased abdominal pain and non-bloody diarrhea. He is currently on azathioprine. The provided imaging was obtained. What is the MOST appropriate next step?
A 64-year-old woman reports past episodes of transient right upper quadrant pain, now resolved. She is currently asymptomatic with normal liver function tests. An abdominal ultrasound was performed as part of her evaluation. Based on the findings from this imaging study and her clinical history, what is the most appropriate management recommendation?
A 65-year-old man presents to the emergency department with a 2-day history of worsening left lower quadrant abdominal pain, associated with fever and chills. He reports a change in bowel habit with increased constipation. On examination, he is febrile at 38.6°C and has significant tenderness and guarding in the left iliac fossa. His white cell count is 18 x 10^9/L. A CT scan of the abdomen and pelvis is performed (image provided). Considering the patient's presentation and the findings on the provided image, which of the following represents the most appropriate initial management strategy?
A 65-year-old man presents to the emergency department with a 2-day history of worsening left lower quadrant abdominal pain, associated with fever and chills. He reports a change in bowel habit with increased constipation. On examination, he is febrile at 38.6°C and has significant tenderness and guarding in the left iliac fossa. His white cell count is 18 x 10^9/L. A CT scan of the abdomen and pelvis is performed (image provided). Considering the patient's presentation and the findings on the provided image, which of the following represents the most appropriate initial management step in addition to intravenous antibiotics?
A 3-year-old boy presents with inconsolable crying and drawing up his legs. Stool sample is positive for blood. The ultrasound is shown. What is the next step?