[Brown syndrome in an adult patient with morbus Still].

A 25 year-old woman, known to be suffering from destructive rheumatoid arthritis, was admitted to the hospital due to influenza-like symptoms lasting three weeks. Adult Still's disease was diagnosed. During her disease she developed painful ophthalmoplegia due to tenosynovitis of the superior oblique muscle and tendon sheath (Brown's syndrome). Total resolution was obtained within three weeks of corticosteroid therapy.