1. Three cases are described of a calf swelling occurring in rheumatoid arthritis.2. This condition has been described by Baker, though many of his patients had tuberculous infection of the knee.3. The diagnosis may present difficulty because of the distance of the swelling from its origin in the knee joint.4. Excision of the cyst is advised when it causes pain, but recurrence is likely if disease of the joint remains active.
展开▼