Still's Disease, Adult-Onset

**Definition:** Systemic-onset rheumatoid arthritis in adults. It differs from classical rheumatoid arthritis in that it is more often marked by acute febrile onset, and generalized lymphadenopathy and hepatosplenomegaly are more prominent.

**Tree numbers:** - C05.550.114.154.870 - C05.799.114.870 - C17.300.775.099.870 - C20.111.199.870

**Synonyms:** - Adult-Onset Still Disease - Adult-Onset Still's Disease - Still Disease, Adult-Onset