Skip to main content
Fig. 3 | BMC Surgery

Fig. 3

From: A rare case of recurrent primary anorectal melanoma emphasizing the importance of postoperative follow-ups

Fig. 3

a HE stain, 100x. Colonic polyp with serrated configuration and basal crypt dilation, consistent with a sessile serrated lesion (formerly sessile serrated adenoma/polyp). No collision between the melanoma and the polyp was visible on any histologic slide. b HE stain, 400x. Diffuse infiltrates of melanoma cells with characteristic prominent nucleoli encroaching on benign colonic glands. c Positive immunostaining for Melan A and D) S100 confirms the melanocytic differentiation of the tumor

Back to article page

BMC Surgery

ISSN: 1471-2482

Contact us