A young man presents from the ED with severe right flank pain.  This image is most consistent with _____.

Children with intussusception may exhibit the following clinical presentations except:

A thickened muscle in the pylorus that prevents food from entering the duodenum is:

The structure lying immediately superior to the kidney in this neonate is ____

Acute renal failure on sonography appears as all of the following except _____.

Which one of the following muscles lie posterior to the kidneys?

This middle aged patient has a history of Cushing’s syndrome.  What pathology is the arrow most likley pointing to?

A 21-year-old patient has a hypofunctioning adrenal gland, with symptoms of hypotension, weakness, and bronzing of her skin. What is the likely diagnosis for this patient?

A pitfall in diagnosing appendicitis may be which one of the following?

Based on this image, the LEAST likely diagnosis would be _____.