多数の米粒体を伴った慢性肩峰下滑液包炎の2例

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We reported two cases of chronic subacromial bursitis not complicated by Rheumatoid arthritis (RA) or tuberculosis (Tb). (Case 1) A 59-years-old man was observed because of progressive pain and swelling in his right shoulder for one year. On examination swelling and fluctuation on the shoulder were remarkabl but we noted no redness and local warmth. T2-weighted MRI demonstrated multiple nodules with low intensity in effusion of the subacromial bursa (SAB). Laboratory tests showed an elevated Creactive protein, positive rheumatoid factor (RF) and a negative Tb culture of fluid in the SAB. We performed a subacromial bursalscopy and resection of the SAB on Aug 3, 2000. Intraoperetive findings showed SAB was occupied by fluid and more than 200 numbers of rice bodies. No bursitis recurred one year later. (Case 2) A 31-years-old woman presented herself with left shoulder swelling and pain which had begun one year before evaluation. On examination swelling and fluctuation on the shoulder were remarkable but no redness or local warmth were noted. MRI findings were the same as the previous case. C-reactive protein and RF were elevated, and the Tb culture of the bursal fluid were negative. Subacromial bursalscopy and resection of the SAB were performed on Feb 19, 2001. The intraoperative findings demonstrated that SAB were filled with fluid and 693 numbers of the bodies. Twenty-six cases of chronic subacromial bursitis with rice bodies have been reported, 21 which had RA, and 1 had Tb. We assumed that subacromial bursitis had developed before the onset of RA in these cases.

多数の米粒体を伴った慢性肩峰下滑液包炎の2例

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