Synovial cyst of ischial tuberosity in Felty's syndrome.
D001132:Arm; D002081:Buttocks; D005258:Felty Syndrome / Q000150:complications*; D006801:Humans; D007512:Ischium; D008297:Male; D008875:Middle Aged; D012215:Rheumatic Nodule / Q000150:complications; D013581:Synovial Cyst / Q000209:etiology*