Medical

meningeal melanocytoma

A rare neoplasm of the CNS that produces melanin, generally regarded as benign, which in some cases evolves towards melanoma.

Diagnosis
Positive for S100 protein, neuron-specific enolase, melanoma-specific antigen.

References in periodicals archive

[1] From the histopathological point of view the principle differential is between melanocytoma and malignant melanoma^ 12] Meningeal melanocytomas are histologically characterized as cellular lesions.

Primary CNS melanoma in an albino: a rare case report

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