[Adult-onset Still disease. 11 cases].

Still's Disease of the adult is a systemic disease that the cause is unknown. If the pediatric forms are frequent, the affection of the adult is rare and its diagnosis is difficult. The purpose of this study is to analyse the features of the clinical evolution of adult Still's disease and to compare our results with the literature. It is a retrospective study about 21 years that permitted to collect 11 cases according the criteria of Yamaguchi. It is a matter of 6 men and 5 women that the mean age is 31 years old (age range: 16 to 48 years old). The fever was constant, the skin rash was noticed in 8 patients (72.7%); a polyarthritis was noticed in all the patients, chronic in 10 cases (90.9%) which 2 erosive forms. Adenopathies were present in 5 patients, a splenomegaly and a hepatomegaly were noticed respectively in 4 and 2 cases. Inflammatory syndrome with hyperleukocytosis was constant, and a hepatic cytolysis was noticed in 80%. The total ferritinemia titrated in 8 patients was constantly high. The hemocultures realized in all the patients were sterile and the complete immunologic examination was negative. The strong dose of corticoid was prescribed with success in all the patients. The immediate evolution was favourable in 10 patients. We deplore one death after a state of deep denutrition. Still's disease of the adult is rare, its diagnosis is difficult, sensitive to corticotherapy and its clinical evolution in our country is comparable to the literature.