title: Multiple layers of basement membrane around myelinated and unmyelinated fibers in cellular blue nevus.
abstract: Concentric multiple layers of basement membranes around Schwann cells in cellular blue nevus are reported.
mesh_terms: D000293:Adolescent; D001485:Basement Membrane; D002648:Child; D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D009412:Nerve Fibers; D009413:Nerve Fibers, Myelinated; D009508:Nevus, Pigmented / Q000473:pathology*; D012583:Schwann Cells; D012878:Skin Neoplasms / Q000473:pathology*