title: Letter; Endothelial fenestrations in cellular blue naevus and halo naevus.
mesh_terms: D002196:Capillaries / Q000473:pathology; D004727:Endothelium / Q000473:pathology; D006801:Humans; D008854:Microscopy, Electron; D009508:Nevus, Pigmented / Q000473:pathology*; D012867:Skin / Q000098:blood supply / Q000473:pathology; D012878:Skin Neoplasms / Q000473:pathology*