“…The most frequent site of involvement is the knee joint, particularly the suprapatellar pouch (4). Rarely, cases have been reported in the hand, wrist, elbow, shoulder, and hip (5–9) with a few cases affecting the subacromial–subdeltoid bursae and bicipital bursae (6, 10, 11). Lipoma arborescens involving the synovial tendon sheath is an exceedingly rare condition with only, to our knowledge, five reported cases in the literature.…”