By Gary M. White, MD
Red lunula have been documented in lupus erythematosus [JAAD 1999;41;419], but they may also be found in a wide range of disorders including rheumatoid arthritis, dermatomyositis, osteoarthritis, and various other cardiovascular, endocrine, GI, hepatic, etc., conditions. No treatment is needed. Here, from a subungual myxoid cyst. For a picture, see JAAD March 2002 Volume 46, Issue 3, Pages 394–398.
Nail-Patella Syndrome. For a picture, see Wikipedia.
Proximal Subungual Onychomycosis
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