[Cutaneous manifestations of ulcerative colitis].

Out of 210 cases of ulcerative colitis 41 had skin and mucosal lesions: skin lesions in 23 (11%), oral ones in 11 (5.2%) and perianal in 16 (7.6%). Cutaneous lesions were: maculopapular rashes (5.2%), erythema nodosum (2.9%), pyoderma gangrenosum (1.4%), papulopustular lesions, vasculitis and erythema multiforme (1% each). Aphthae were the commonest oral complication (4.3%) and fissures and fistula the more prevalent perianal ones (4.3% and 3.4%). More than one mucocutaneous complication occurred in 17.1% of the patients and in 18 patients there were associated articular (36.6%), ocular (9.8%) and hepatic (2.4%) changes. The colitic type of arthritis and keratoconjunctivitis sicca were the commoner joint and eye manifestations.