Histologic parallels between mastocytoma and melanoma. Demonstration of melanin in tumor cells of mastocytoma and metachromasia in tumor cells of melanoma.
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Animals↗
Biomedical subjects
M R Okun
Publications and source records attributed to M R Okun.
[On histogenetic relationship between mast cells and melanocytes. Capability of the mast cells to produce melanin].
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Acid Phosphatase↗
Malignant melanoma arising from an intradermal nevus.
A case of malignant melanoma apparently arising from the lower portion of a preexisting intradermal hairy nevus is presented. This case is an exception to the general rule that if malignant melanomas arise from nevi they originate in nevi with a junctional component.
Female↗
Granuloma faciale with lesions on the face and hand.
A patient with granuloma faciale had multiple lesions on the face and one lesion on the dorsal surface of one hand. This case adds a clinical parallel to the recognized histological parallel between granuloma faciale and erythema elevatum diutinum.
Facial Dermatoses↗