Abstract
Synovial amyloidosis occurs as one form of amyloid osteoarthropathy. Not only synovia but bursae with the same synovia histologically are subject to amyloid deposition. Joint swelling is one of the symptoms of bursitis due to amyloid deposition, and while there have been reports of femoral nerve paralysis due to the iliopectineal bursitis, there seem not to have been any reports of median nerve palsy due to subscapularis bursitis. In this report, we made a diagnosis of subscapularis bursitis with median nerve palsy by bursography. Crystal bursitis was suspected as one of the causes on the basis of a calcificated bursa on X-ray. Treatment by puncture and drainage of the synovial fluid, steroid injection into the bursa and low-dose steroids per os was effective.
