title: Triangular lunulae. A clue to nail-patella syndrome.
abstract: The nail-patella syndrome has been of interest to dermatologists because the diagnosis of this multisystem complex may be suggested simply by observing the patient's abnormal nails. It is the purpose of this article to call attention to triangular lunulae and other nail abnormalities associated with this syndrome, as well as other causes of triangular lunulae.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D009261:Nail-Patella Syndrome / Q000150:complications / Q000175:diagnosis* / Q000235:genetics; D009264:Nails, Malformed / Q000150:complications / Q000175:diagnosis*; D011565:Psoriasis / Q000150:complications