"GFAP, NFPs, cytokeratins, EMA: usually negative"
"GFAP, NFPs, cytokeratins, EMA: usually negative"
"Microscopically, meningeal melanomas appear similar to malignant melanomas elsewhere in the body. They demonstrate cellular pleomorphism and atypia, necrosis and are mitotically active, features which are helpful in distinguishing them from meningeal melanocytomas 1."