Question 1334
Which of these features is more characteristic of ileocecal involvement by Crohn's disease than by tuberculosis?
Question 1545
Which of these is the most common fat-containing renal lesion?
Question 1546
What proportion of renal angiomyolipomas are sporadic in origin?
Question 1552
Which of the following features is more typical of Crohn disease than ulcerative colitis?
Question 1593
What is the correct term for this peripancreatic collection?
Question 2060
What is the most frequent indication for emergency non-obstetric surgery in pregnancy?
Question 2065
This is an MRI study of the abdomen and pelvis in a pregnant woman. On this axial gradient echo sequence image, what are the paired right retroperitoneal structures?
Question 2070
Which of the following is a type of a true diverticulum?
Question 2089
A 25-year-old male presents with a 2-week history of acute breathlessness and chest pain. CT thorax with contrast shows a heterogeneous anterior mediastinal mass and multiple lung nodules. Which is the next best step for diagnosis?
Question 2473
Which sign of pneumoperitoneum is seen on this abdominal radiograph?
Question 2474
What diagnosis may be inferred from this abdominal radiograph?
Question 2475
This image is from day 1 of a colonic transit study, with ingestion of 20 markers. How many markers on the day 5 x-ray would indicate normal colonic transit?
Question 2682
In abdominal CT for patients with no bowel symptoms, in what approximate percentage of studies is the bowel wall fat halo sign seen as an incidental finding?
Question 2683
Which technetium-99 labeled tracer is used for the detection of foci of splenic tissue?