Question 520
What percentage of pheochromocytomas are extra-adrenal in location?
Question 521
What is the most common location of gastrointestinal stromal tumors (GIST)?
Question 522
What is the most common site of origin of carcinoid tumors?
Question 1205
Which of the following is not considered to confer a high-risk status in rectal cancer?
Question 1206
Which of the following is true regarding this axial MR image of rectal cancer:
Question 1335
Which of the following is NOT TRUE regarding this coronal T2-weighted MR image of rectal cancer:
Question 1336
Which part of the colon is most frequently involved by adenocarcinoma?
Question 1473
Which of the following does NOT cause peritoneal calcification?
Question 1488
A focus of abdominal fluid is measured as being 65 Hounsfield Units in density on CT. It is most likely to be:
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 1553
Which is the most common type of testicular tumor?
Question 1569
These appearances are MOST typical of:
Question 2010
On CT colonography, which of these signs has the highest positive predictive value for discriminating sigmoid adenocarcinoma from sigmoid diverticular disease?
Question 2064
This 30-year-old woman presents with sudden onset abdominal pain and distension. What is your favored diagnosis?
Question 2083
F-18 FDG is a glucose analog that is useful in PET imaging because it:
Question 2084
What is the most likely diagnosis in this patient from the F-18 FDG PET-CT MIP image?
Question 2085
In cardiac PET-CT, when using F-18 FDG to investigate cardiac sarcoid, a cardiac fasting protocol is used to switch myocardial metabolism from glucose to fatty acids. How long should the patient fast for?
Question 2086
Which of the following PET-CT tracers can be used to localize parathyroid adenomas in patients with primary hyperparathyroidism?
Question 2087
A 65-year-old male has a CT of his thorax which shows an incidental finding of a homogenous, slightly lobulated anterior mediastinal mass measuring 5 cm. There are no enlarged lymph nodes within the thorax. Which of these is most likely?