[Vitiligo in a patient with pachydermoperiostosis: a fortuitous association?].

Pachydermoperiostosis (PDP) is a rare hereditary disorder characterized by pachydermia, digital clubbing, arthritis and periosteal hypertrophy. We report the case of a patient with PDP who developed vitiligo. While the association of autoimmune diseases and some dermatological disorders with PDP has been reported before, this appears to be the first described case of vitiligo in association with PDP.

Interstitial cystitis and systemic lupus erythematosus in a 20-year-old woman.

A 20-year-old woman with systemic lupus erythematosus presented with dysuria, urinary frequency and suprapubic pain and was found to have a chronic interstitial cystitis, a chronic inflammation of the bladder wall, mostly affecting middle-aged women. Chronic interstitial cystitis is an uncommon manifestation of systemic lupus erythematosus.