A 42-year old man presents with rectal bleeding. Colonoscopy shows a rectal polyp, which underwent polypectomy. H&E photomicrographs are shown. This lesion would be positive for which of the following immunostains? A. S100 B. CD117 C. HHV-8 D. None of the above Click here to view the answer | Images |
Submitting pathologistSara Hafezi-Bakhtiari, MD |