Figure 1. A composite panel of four pictures showing the characteristics histological features of malignant melanoma in this case: A) a high power magnification of the lesion shows infiltration of intestinal tissue by malignant cells with prominent melanin pigmentation (H&E X100); B) the lesion shows strong nuclear and cytoplasmic reactivity for S-100 protein. (S-proteinX100); C) Vimentinimmunoreactivity in melanoma (VimentinX100); D) Desmin non reactivity to melanoma (DesminX100)

From

Metastatic Malignant Melanoma Presenting as Small Bowel Obstruction: A Report of a Case

Umobong EO, Ojo BA, Aghahowa ME, Etim O, Ngbea J, Ugwu VI, Eke BA, Nyaga T, DUDUYEMI BM, Jumbo GTA

American Journal of Clinical Medicine Research. 2014, 2(4), 72-74 doi:10.12691/ajcmr-2-4-2