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Neurocutaneous melanocytosis
rareNeurocutaneous melanocytosis (NCM) is a rare congenital neurological disorder characterized by abnormal aggregations of nevomelanocytes within the central nervous system (leptomeningeal melanocytosis) associated with large or giant congenital melanocytic nevi (CMN). NCM can be asymptomatic or present as variably severe and progressive neurological impairment, sometimes resulting in death.
- Identifiers
- MONDO:0009578 OMIM:249400Orphanet:2481
- Causal genes
- NRAS
- Part of
- Hereditary neurological diseaseHereditary skin disorderMelanocytic nevusNervous system benign neoplasmNeurocutaneous syndrome
- Also known as
- melanosis, neurocutaneous · NCM · NCMS · neurocutaneous melanosis · neurocutaneous melanosis syndrome
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