meningeal melanocytoma

(redirected from pigmented meningioma)

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] The diagnosis of intracranial melanomas is often complicated and a differential diagnosis of other pigmented lesions like pigmented Meningioma, Schwannoma, Medulloblastoma, Choroid plexus papilloma, Astrocytoma and pituitary tumours should be considered.
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