A 57-year-old female with some discoloration of the vulva mucosal region and here is the excision,



1.Which of the following mutation is most commonly seen in this location for this
entity?
A: KRAS
B: BRAF
C: SF3B1
D: GNAS
Answer
Case credit: UCSD Pathology
Author: Wangpan Jackson Shi, MD
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