Case Studies

This month Pathways Case Studies includes cases on bone & soft tissue, surgical pathology, breast pathology, gastroenterology pathology, genitourinary pathology, hematopathology, and laboratory genetics & genomics. 

This case presents an unusual colon polyp on an asymptomatic early 70 year-old male. At the time of screening colonoscopy, two small left colon polyps were noted and excised. What is the diagnosis?