Calcifying peritendinitis of the gluteus maximus tendon.
D002081:Buttocks; D002114:Calcinosis / Q000000981:diagnostic imaging* / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D052256:Tendinopathy / Q000000981:diagnostic imaging* / Q000601:surgery