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Kaplan Qbank USMLE



Author2 Posts
  #1

The mother of an 11-month-old infant had noted enlargement of the baby's abdomen within the past month. This is confirmed by the family physician, who notes that the baby is otherwise normally developed. An abdominal CT scan reveals a 6 cm mass, with some scattered calcifications, above the kidney on the right. Laboratory studies show that the urinary vanillylmandelic acid (VMA) is modestly increased, while the urinary homovanillic acid (HVA) is only slightly increased. The mass is removed and microscopically is composed of sheets of small blue cells. Which of the following is the most likely diagnosis?

A Congenital adrenal hyperplasia

B Adrenal cortical carcinoma

C Neuroblastoma

D Non-Hodgkin lymphoma

E Pheochromocytoma

F Conn syndrome


  #2

C!

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