Gastrointestinal Stromal Tumors
Author and Disclosure Information [Show]

Christin B. DeStefano, MD
Department of Medicine, Uniformed Services University, Bethesda, MD.

Dennis A. Priebat, MD
Department of Oncology, Washington Cancer Institute at MedStar Washington Hospital Center, Washington, DC.

Disclaimer: The opinions and assertions expressed herein are those of the author(s) and do not necessarily reflect the official policy or position of the Uniformed Services University or the Department of Defense.

Question 1 of 7

Which of the following statements regarding the characteristics of gastrointestinal stromal tumors (GISTs) is true?

PDGFRA mutation is the most common mutation associated with GISTs

GISTs are the most common sarcoma of the gastrointestinal (GI) tract

GISTS are more common in adolescents and young adults than in older adults

GISTs usually stain positive for desmin and vimentin

GISTS most commonly occur in the large intestine

This quiz is not accredited for CME.

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