gastroenterology
Practice targeted AMC-style multiple-choice questions on gastroenterology.
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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 62-year-old male with a history of hepatitis C presents with new onset jaundice and ascites. His AFP is markedly elevated. A contrast-enhanced ultrasound is performed, as shown. What is the MOST appropriate next step in management?
A 55-year-old man presents with 2 days of left lower quadrant pain and mild constipation. He denies fever, nausea, or vomiting. On examination, he is afebrile, BP 120/70, HR 65, O2 sat 99% on air. There is mild LLQ tenderness without guarding or rebound. Bloods show WCC 11.5, CRP 30. A CT scan is performed. Considering the clinical presentation and the findings demonstrated in the image, what is the most appropriate initial management plan?
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). Following successful management of this acute episode, what is the most appropriate next step regarding long-term assessment of the colon?
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 72-year-old woman presents with a long history of heartburn, regurgitation, and recently developed a chronic cough, particularly at night. Physical examination is unremarkable. A chest radiograph is obtained. Considering the radiographic findings in the context of the patient's presentation, what is the most likely pathophysiological mechanism contributing to her chronic cough?
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 62-year-old male with a history of poorly controlled diabetes presents with right upper quadrant pain, fever, and night sweats for 3 weeks. He is on immunosuppressants following a renal transplant 5 years ago. Blood cultures are pending. Imaging is performed, as shown. What is the MOST appropriate next step in management?
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 68-year-old woman presents to the emergency department with a 2-day history of worsening right upper quadrant abdominal pain radiating to her back, associated with fever, chills, and yellowing of her eyes. She denies prior similar episodes but reports occasional post-prandial discomfort. On examination, she is jaundiced and tender in the right upper quadrant. Vital signs are: temperature 38.5°C, heart rate 110 bpm, blood pressure 110/70 mmHg, respiratory rate 20 breaths per minute, and oxygen saturation 97% on room air. Initial laboratory investigations reveal: white blood cell count 14,000/µL, total bilirubin 6.0 mg/dL, alkaline phosphatase 450 U/L, ALT 300 U/L, and AST 250 U/L. An ERCP is performed, and the image is obtained. Following successful intervention to relieve the obstruction, the patient's symptoms begin to improve. Considering the likely underlying cause of this presentation and the findings during the procedure, what is the MOST appropriate next step in managing this patient's condition?
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 65-year-old male with new onset ascites and elevated ALP has the imaging shown. What is the MOST likely primary malignancy?
A 63-year-old man presents with increasing shortness of breath and epigastric discomfort, particularly after meals. He has a history of GERD. Physical examination reveals decreased breath sounds at the left lung base. An axial CT image is shown. Considering the clinical presentation and imaging findings, what is the MOST appropriate next step in management?
A 63-year-old man presents with iron deficiency anemia. The provided CT was performed. What is the MOST likely cause of his anemia?
A 63-year-old male with a history of mild dysphagia and iron deficiency anemia presents for further evaluation. He denies any recent weight loss or hematemesis. An abdominal CT scan with contrast is performed, the axial view is shown. What is the MOST likely underlying cause of his anemia?
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 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 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 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 55-year-old man with a history of renal transplant on long-term immunosuppressive therapy presents with a 3-month history of intermittent right upper quadrant pain and unintentional weight loss. He denies fever or chills. Physical examination is unremarkable. Liver function tests show mild elevation of alkaline phosphatase and gamma-GT. Inflammatory markers (CRP, ESR) are slightly elevated. Imaging is performed. Considering the clinical context and the findings on imaging, which of the following represents the most appropriate next diagnostic step to guide management?
A 65-year-old male with Hepatitis C cirrhosis is undergoing routine surveillance. A liver lesion was identified on initial ultrasound, prompting a contrast-enhanced ultrasound study. Considering the findings demonstrated in the provided images, what is the most appropriate next step in the management of this patient?
A 63-year-old man presents to his GP with a 6-month history of intermittent postprandial fullness and mild dysphagia, particularly with solid foods. He reports occasional regurgitation but denies significant heartburn or chest pain. His vital signs are stable, and physical examination is unremarkable. Recent blood tests show mild iron deficiency anaemia. The provided image is from a CT scan of the chest and upper abdomen performed as part of his investigation. Considering the clinical presentation and the significant anatomical finding demonstrated in the image, what is the most appropriate next step in the management of this patient?
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). A CT scan of the abdomen is performed. Based on the imaging, what is the MOST appropriate next step in management?
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 62-year-old male presents with jaundice and RUQ pain. An ERCP is performed, and the image is obtained. Following successful stone extraction, what is the MOST appropriate next step in managing this patient?
A 68-year-old patient presents with chronic intermittent upper abdominal discomfort, postprandial fullness, and occasional regurgitation. Physical examination is unremarkable. A chest radiograph is performed as part of the workup. Considering the radiographic findings in the context of the patient's presentation, what is the most appropriate next step in management?
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 4-week-old male presents with persistent projectile vomiting after feeding. He is otherwise well-appearing. An upper GI series is performed, with relevant images attached. What acid-base disturbance is MOST likely present?
A 64-year-old woman with past colicky pain had this ultrasound. LFTs are normal. What is the MOST appropriate next step?
A 72-year-old male presents with abdominal distension, vomiting, and inability to pass flatus for 48 hours. He has a history of prior bowel resection. Examination reveals a tympanitic abdomen and tenderness to palpation. His vitals are stable. An abdominal X-ray is performed, as shown. Considering the clinical context and the radiographic findings, what is the MOST likely underlying cause of this presentation?
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 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 72-year-old male with a history of diverticulitis presents with severe abdominal pain, vomiting, and inability to pass flatus for 24 hours. An upright abdominal X-ray is performed. Based on the image, what is the MOST likely underlying cause?
A 72-year-old male presents with abdominal distension, vomiting, and inability to pass flatus for 48 hours. He has a history of prior bowel resection. Examination reveals a tympanitic abdomen and tenderness to palpation. His vitals are stable. An abdominal X-ray is performed, as shown. Considering the clinical context and the radiographic findings, what is the primary purpose of inserting a nasogastric tube in this patient?
A 62-year-old male presents with a three-month history of intermittent rectal bleeding and a change in bowel habits. He reports increased constipation alternating with episodes of diarrhea. His family history is significant for a father who had colon cancer at age 70. A colonoscopy was performed, and an image from the procedure is shown. What is the MOST appropriate next step in management?
A 35-year-old male presents to the ED with intermittent abdominal pain, nausea, and melena. He has multiple cutaneous hemangiomas. A CT scan is performed, as shown. What is the MOST appropriate next step in management?
A 32-year-old male with a 10-year history of Crohn's disease presents with worsening abdominal pain and increased frequency of bowel movements. He reports no fever or weight loss. Physical examination reveals mild tenderness in the right lower quadrant. His inflammatory markers are elevated. Review the provided imaging. What is the MOST appropriate next step in management?
A 68-year-old woman presents to the emergency department with a 2-day history of right upper quadrant abdominal pain, fever, and yellowing of her eyes. Her vital signs are stable, but laboratory investigations reveal elevated inflammatory markers and liver function tests consistent with biliary obstruction and infection. An ERCP is performed, and the image is obtained. Following successful intervention to relieve the obstruction, the patient's symptoms begin to improve. Considering the likely underlying cause of this presentation and the findings during the procedure, what is the MOST appropriate next step in managing this patient's condition?
A 64-year-old woman presents with a history of colicky pain. An ultrasound was performed. What is the MOST appropriate next step in management?
A 65-year-old male with known cirrhosis secondary to chronic hepatitis B presents with increasing abdominal distension and fatigue. He has mild ascites. Liver function tests show bilirubin 35 umol/L, INR 1.3, albumin 30 g/L. AFP is 850 ng/mL. Imaging is performed as shown. Based on the imaging findings and clinical presentation, which of the following treatment modalities is MOST likely to be considered for this patient?
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 65-year-old male presents with acute LLQ pain. The provided image was obtained. What dietary advice is most appropriate upon resolution of acute symptoms?
A 68-year-old man presents to his GP with a 4-month history of increasing constipation alternating with loose stools, occasional rectal bleeding, and a feeling of incomplete evacuation. He reports fatigue but denies significant weight loss. His physical examination, including digital rectal examination, is normal. Full blood count shows a haemoglobin of 115 g/L with low ferritin. A colonoscopy is performed, and the image provided is a representative view from the procedure. Considering the clinical presentation and the finding observed during the colonoscopy, what is the most appropriate immediate next step in the management of this patient?
A 42-year-old male presents to the emergency department with a 3-day history of colicky abdominal pain, nausea, and vomiting. He reports that he has not had a bowel movement in 2 days and has noticed some blood in his vomit. He has a known history of multiple cutaneous hemangiomas since childhood. On examination, his abdomen is distended and tympanic, with tenderness to palpation in all quadrants. Bowel sounds are high-pitched and infrequent. Vitals are stable. A CT scan of the abdomen and pelvis is performed, and a representative image is shown. What is the MOST likely underlying cause of the patient's acute presentation, considering his history and the imaging findings?
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?