慢性閉塞性肺疾患を合併した後腹膜キャッスルマン病の1例

A Case of Retroperitoneal Castleman's Disease Associated with Chronic Obstructive Lung Disease

　45歳，男性。口内炎と発熱を主訴に来院した。精査中に右骨盤腔に6cm大の腫瘤を認め，摘出術を施行した。腫瘤の病理組織診断はキャッスルマン病（硝子血管型）であった。腫瘤摘出1か月後に呼吸困難が出現し，徐々に増悪した。慢性閉塞性肺疾患（COLD）を疑い治療を行ったが，術後33か月で呼吸不全のため死亡した。重篤なCOLDを合併したキャッスルマン病はこれまでに4例の報告がある。

A case of retroperitoneal Castleman's disease associated with chronic obstructive lung disease (COLD) was de-scribed. The patient was a 45-year-old man with chief complaints of severe stomatitis and fever, and was found to have a mass in the pelvic cavity. One month after the removal of the mass which proved histologically to be Castleman's disease of hyaline vascular type, the patient developed COLD with progressive exertional dyspnea, and died of respiratory failure 33 months after the surgery.