title: CSF cytology diagnosis of NRAS-mutated primary leptomeningeal melanomatosis with neurocutaneous melanosis.
authors.affiliation: Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.|Laboratory Medicine Program, University Health Network, Toronto, ON, Canada.
authors.forename: D L
authors.initials: DL
authors.lastname: Kolin
authors.affiliation: Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.|Laboratory Medicine Program, University Health Network, Toronto, ON, Canada.
authors.forename: W R
authors.initials: WR
authors.lastname: Geddie
authors.affiliation: Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.|Laboratory Medicine Program, University Health Network, Toronto, ON, Canada.
authors.forename: H M
authors.initials: HM
authors.lastname: Ko
mesh_terms: D000368:Aged; D002555:Cerebrospinal Fluid / Q000378:metabolism*; D003581:Cytodiagnosis / Q000379:methods; D020558:GTP Phosphohydrolases / Q000235:genetics*; D006801:Humans; D008297:Male; D008545:Melanoma / Q000175:diagnosis / Q000235:genetics* / Q000473:pathology; D008548:Melanosis / Q000175:diagnosis* / Q000235:genetics* / Q000473:pathology; D008565:Membrane Proteins / Q000235:genetics*; D008577:Meningeal Neoplasms / Q000175:diagnosis / Q000235:genetics* / Q000473:pathology; D020752:Neurocutaneous Syndromes / Q000175:diagnosis* / Q000235:genetics* / Q000473:pathology
chemical_list: D008565:Membrane Proteins; D020558:GTP Phosphohydrolases; C579846:NRAS protein, human