Answer revealed to this top-missed USMLE Step 2 question

Getting ready for the United States Medical Licensing Examination® (USMLE®) Step 2 is no easy feat, but we’re sharing expert insights to help give you a leg up. Take a look at the exclusive scoop on this month’s most-missed USMLE Step 2 test prep question. Think you have what it takes to rise above your peers? Test your USMLE knowledge, and view an expert video explanation of the answer from Kaplan Medical. Once you’ve got this question under your belt, be sure to test your knowledge with other posts in this series. Ready. Set. Go. This month’s question that stumped most students: A 42-year-old woman comes to the physician because of a four-month history of intermittent abdominal cramps and diarrhea. She has had episodes of skin flushing lasting from two to 15 minutes, most pronounced in the head and neck area. She denies nausea, vomiting, constipation or blood in her stools. Her medical history is unremarkable, and she takes no medications. A grade 3/6 murmur is heard along the mid left sternal border. The lungs are clear to auscultation. Abdominal examination shows no abnormalities. Laboratory studies show urinary excretion of 5-hydroxyindoleacetic acid of 75 mg/day (normal: 0.5-9.0 mg/day). CT scan of the liver demonstrates a 2-cm lesion. Which of the following is the most likely diagnosis? A. Carcinoid tumor, metastatic B. Cholangiocarcinoma, primary C. Hepatocellular carcinoma, primary D. Mucinous adenocarcinoma of the colon, metastatic E. Squ...
Source: AMA Wire - Category: Journals (General) Authors: Source Type: news