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Pigmented pheochromocytomas of the adrenal medulla
R Chetty1, S P Clark, D A Taylor
1Department of Anatomical Pathology, Royal Melbourne Hospital, Australia.
Human Pathology
|April 1, 1993
Abstract:
Three primary pigmented pheochromocytomas of the adrenal gland are presented. The pigment in all cases proved to be melanin. Two of the pheochromocytomas were sporadic and histologically typical, except for a focal spindle cell configuration in one. It is believed that the morphologic appearance of these tumors represents divergent differentiation from neural crest, expressing typical pheochromocytoma (polygonal cells) and melanocytic features (melanin pigment).