computed tomography (CT)
Practice targeted AMC-style multiple-choice questions on computed tomography (CT).
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A 68-year-old male with a long history of alcohol-related cirrhosis and previous treatment for hepatitis C presents with increasing abdominal distension, fatigue, and a dull ache in the right upper quadrant. He denies acute pain or fever. On examination, he has mild jaundice, shifting dullness, and spider naevi. His vital signs are stable. Recent blood tests show albumin 28 g/L, INR 1.4, total bilirubin 45 µmol/L, ALT 65 U/L, AST 88 U/L, creatinine 90 µmol/L. Alpha-fetoprotein (AFP) is 850 µg/L (normal <10). An abdominal CT scan with contrast is performed, axial views of which are shown. Considering the patient's clinical presentation, laboratory results, and the findings on the provided imaging, what is the MOST appropriate immediate next step in the management of this patient?
A 72-year-old male with a history of smoking and hyperlipidemia presents for a health check. He is asymptomatic. A contrast-enhanced CT abdomen is performed as part of a screening protocol. An axial view is shown. Besides optimizing medical management, what is the MOST appropriate next step?
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 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 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 78-year-old male on warfarin presents with dyspnea and pleuritic chest pain after a fall. INR is 7.0. A chest CT is performed (image attached). After initial resuscitation, what is the MOST appropriate next step?
A 78-year-old male on warfarin for atrial fibrillation presents with sudden onset of severe dyspnoea and right-sided pleuritic chest pain. He denies trauma. On examination, he is tachypnoeic, oxygen saturation is 92% on room air. Blood pressure 110/70 mmHg, heart rate 95 bpm. Chest examination reveals decreased breath sounds on the right. A CT scan of the chest is performed. Considering the patient's clinical presentation, medical history, and the findings demonstrated in the provided image, which of the following pharmacological agents is the most appropriate immediate intervention?
A 70-year-old male with a history of hypertension and smoking undergoes a CT scan for investigation of chronic back pain. He denies any abdominal pain, pulsatile mass, or leg ischaemia. His blood pressure is 130/80 mmHg, pulse 72 bpm. The image provided is an axial view from this scan. Based on this finding, what is the most appropriate next step in his management?
A 68-year-old male presents to the ED with severe groin pain and a palpable mass. He reports constipation and inability to pass flatus for 24 hours. Examination reveals tenderness and erythema. A CT scan is performed. What is the MOST appropriate next step in management?
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 setting for this patient's initial management?
A 28-year-old female presents with right lower quadrant pain for 3 days. She denies fever, vomiting, or vaginal discharge. Her last menstrual period was 2 weeks ago. The shown CT was performed. What is the MOST likely diagnosis?
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 68-year-old male presents with a 2-day history of worsening left lower quadrant abdominal pain, fever (38.5°C), and nausea. He has a history of similar, milder pain episodes. Examination reveals left iliac fossa tenderness with guarding. Bloods show WCC 16, CRP 120. A CT scan is performed (image provided). Considering the clinical picture and the imaging findings, which of the following represents the most appropriate initial management strategy?
A 2-year-old with a palpable abdominal mass and periorbital ecchymoses has the shown CT. What is the MOST likely diagnosis?
A 62-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 32-year-old woman presents to the ED with acute lower abdominal pain. She reports nausea but denies fever or vaginal bleeding. Her last menstrual period was 3 weeks ago. A CT scan of the abdomen and pelvis is performed, the relevant image is shown. What is the MOST appropriate next step in management?
A 4-year-old with abdominal pain and hypertension has this CT. What is the MOST appropriate next step in management?
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 65-year-old man presents with 2 days of left lower quadrant abdominal pain, fever, and nausea. On examination, he is afebrile, haemodynamically stable, with localised tenderness in the LLQ. Blood tests show a WCC of 14.5. A CT scan of the abdomen and pelvis is performed. Considering the clinical presentation and the findings demonstrated in the image, what is the most appropriate initial management plan?
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 65-year-old presents with 2 days of left lower quadrant pain, fever (38.5°C), and nausea. On examination, there is localised tenderness in the LLQ. Vitals: BP 130/80, HR 90, RR 16, SpO2 98%. CRP is 150 mg/L, WCC 18 x 10^9/L. This image is obtained as part of the workup. Based on the clinical presentation and imaging findings, what is the most appropriate initial management step?
A 70-year-old male undergoes a CT scan for investigation of chronic back pain. He is otherwise asymptomatic with stable vital signs. The image provided is an axial view from this scan. Based on this finding, what is the most appropriate next step in the patient's management according to current guidelines?
A 63-year-old man presents to his general practitioner with a several-year history of worsening symptoms. He describes significant heartburn and regurgitation, particularly when lying down, which is only partially relieved by high-dose proton pump inhibitors. He has also noticed increasing difficulty swallowing solid food and occasionally liquids, sometimes accompanied by coughing fits after eating. He reports feeling full very quickly after starting a meal and has lost approximately 5 kg unintentionally over the past year. His past medical history includes osteoarthritis and benign prostatic hyperplasia. He is a non-smoker and drinks alcohol occasionally. Physical examination is unremarkable. Routine blood tests, including full blood count, electrolytes, and liver function tests, are within normal limits. A CT scan of the chest and upper abdomen was performed as part of the workup for his symptoms, and a representative axial image is shown. Considering the clinical presentation and the findings demonstrated in the image, which of the following represents the MOST appropriate definitive management strategy for this patient?
A 78-year-old male presents to the emergency department with a 6-hour history of sudden onset, severe pain and swelling in his right groin. He reports nausea but no vomiting. On examination, there is a tender, firm, non-reducible lump in the right inguinal region. Bowel sounds are present. Vitals are stable: BP 130/80, HR 75, Temp 36.8°C. A CT scan of the pelvis is performed, shown in the image. Integrating the patient's symptoms, physical examination, and the findings shown in the image, what is the most appropriate immediate next step?
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 72-year-old male with a history of hypertension and hyperlipidemia presents for a routine follow-up. He is asymptomatic. A contrast-enhanced CT abdomen, axial view shown, was performed as part of a screening protocol. What is the MOST appropriate next step?
A 78-year-old man presents to the emergency department with acute, severe right groin pain and a palpable, non-reducible mass. He reports associated nausea but denies vomiting or changes in bowel habit. His vital signs are within normal limits, and bowel sounds are audible. A CT scan of the pelvis is performed, the findings of which are depicted in the image. Given the clinical context and the information revealed by the imaging study, what is the most appropriate immediate management strategy?
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 62-year-old male presents with a 3-month history of worsening upper abdominal pain, significant fatigue, and a 10 kg unintentional weight loss. His medical history includes long-standing peptic ulcer disease managed with proton pump inhibitors. On examination, he has mild hepatomegaly and trace ascites. Initial blood tests show elevated alkaline phosphatase and gamma-glutamyl transferase, with normal serum bilirubin and transaminases. A contrast-enhanced CT scan of the abdomen and pelvis is performed, and representative images are provided. Considering the clinical presentation and the findings demonstrated on the imaging, which of the following represents the MOST appropriate immediate next step in the management of this patient?
A 3-year-old boy presents to the emergency department with a one-week history of abdominal pain, decreased appetite, and irritability. His parents also report that he has been increasingly tired and pale. On examination, the child is noted to have a palpable abdominal mass. A CT scan of the abdomen is performed, the axial view is shown. Based on the image and clinical presentation, which of the following is the MOST appropriate next step in management?
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 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 28-year-old female presents to her general practitioner with a 6-month history of intermittent abdominal pain, predominantly in the right lower quadrant. She describes the pain as cramping and associated with occasional episodes of non-bloody diarrhea. She denies fever, weight loss, or recent travel. Her past medical history is significant for well-controlled asthma, for which she uses an inhaled corticosteroid as needed. Physical examination reveals mild tenderness to palpation in the right lower quadrant, but is otherwise unremarkable. Bowel sounds are normal. Initial laboratory investigations, including a complete blood count and comprehensive metabolic panel, are within normal limits. Stool studies for ova and parasites, bacterial culture, and Clostridium difficile toxin are negative. Given her persistent symptoms, the GP refers her for further evaluation. A CT enterography is performed, and relevant images are shown. Based on the clinical presentation and imaging findings, which of the following is the MOST likely long-term complication this patient is at increased risk of developing?
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 65-year-old presents with 2 days of left lower quadrant pain, fever (38.5°C), and nausea. On examination, there is localised tenderness in the LLQ. Vitals: BP 130/80, HR 90, RR 16, SpO2 98%. CRP is 150 mg/L, WCC 18 x 10^9/L. This image is obtained as part of the workup. Considering the clinical context and the findings on the image, which of the following represents the most appropriate initial management strategy?
An 80-year-old male with a history of smoking and hypertension presents for investigation of mild, intermittent lower back pain. Physical examination is unremarkable. Vital signs are stable. A CT scan of the abdomen is performed. Based on the provided image and clinical context, what is the most appropriate next step in the management of this patient?
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 35-year-old male presents with hemoptysis and weight loss. PET-CT is shown. Bronchoscopy with biopsy is MOST likely to reveal which of the following?
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 70-year-old man presents for a routine check-up. He reports occasional mild, non-radiating abdominal discomfort over the past few months, which he attributes to indigestion. He has a history of well-controlled hypertension and hyperlipidaemia, and quit smoking 10 years ago. Physical examination is unremarkable, with no palpable abdominal masses. Routine blood tests are within normal limits. An abdominal CT scan is performed to investigate the abdominal discomfort. Considering the findings demonstrated in the image, what is the most appropriate next step in the management of this patient?
A 55-year-old male presents to the emergency department with a 2-day history of left lower quadrant abdominal pain, associated with subjective fever and chills. He denies nausea, vomiting, or change in bowel habits. On examination, he is afebrile, heart rate 85 bpm, blood pressure 130/80 mmHg. Abdominal examination reveals tenderness in the left iliac fossa without guarding or rebound. White cell count is 14 x 10^9/L, CRP 80 mg/L. A CT scan of the abdomen and pelvis is performed, the relevant axial image is shown. Considering the patient's presentation and the findings on the provided image, which of the following represents the most appropriate initial management strategy?
A 68-year-old male presents to the emergency department complaining of acute onset shortness of breath and right-sided chest pain. He reports that the pain started suddenly this morning and has been gradually worsening. He has a history of paroxysmal atrial fibrillation, for which he takes warfarin. He denies any recent trauma or injury. On examination, his vital signs are: heart rate 115 bpm, blood pressure 95/60 mmHg, respiratory rate 30 breaths per minute, oxygen saturation 87% on room air. Auscultation reveals decreased breath sounds on the right side. The patient appears pale and is diaphoretic. His INR is 6.5. A CT scan of the chest is performed, and the relevant image is shown. What is the MOST appropriate next step in the management of this patient?
A 72-year-old male presents to the ED with sudden onset shortness of breath and right-sided chest pain. He has a history of atrial fibrillation and has been taking warfarin for the past 5 years. His INR is currently 6.5. A CT scan of the chest is performed (image attached). What is the MOST appropriate immediate next step in the management of this patient?
A 65-year-old male presents with a 2-month history of fatigue, poor appetite, and 5kg weight loss. He reports mild upper abdominal discomfort. Physical examination is unremarkable. Initial blood tests show mild anaemia. An upper endoscopy revealed a suspicious gastric lesion, with biopsy results pending. A CT scan of the abdomen and pelvis was performed. Given the clinical presentation and the findings on the provided imaging, which of the following statements regarding this patient's likely prognosis and management is most accurate?
A 35-year-old male presents with a two-month history of fatigue, unintentional weight loss, and a persistent dry cough. He denies fever or night sweats. A PET-CT scan of the chest was performed (image shown). What is the MOST appropriate next step in management?
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 45-year-old patient with a long history of recurrent gastrointestinal bleeding and multiple cutaneous vascular lesions presents with acute onset severe abdominal pain, nausea, and distension. Physical examination reveals a distended, mildly tender abdomen. Bowel sounds are reduced. Vital signs are stable. Imaging is performed. Considering the patient's presentation and the findings demonstrated in the image, which of the following represents the most appropriate initial management approach?
A 68-year-old man presents with a 4-month history of increasing constipation alternating with loose stools, occasional rectal bleeding, and fatigue. He denies significant weight loss. Physical examination is unremarkable. Full blood count shows a haemoglobin of 115 g/L with low ferritin. A colonoscopy was performed, and the image provided is a representative view. Biopsies were taken from the observed lesion. Considering the clinical presentation and the endoscopic finding, what is the most appropriate next investigation to determine the extent of disease and inform definitive management planning?