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A Case of Plasmacytoma in the Rectum K. Nishida 1 , Y. Sawano 2 , H. Fujita 2 , T. Tomita 2 1National Tochigi Hospital pp.957-961
Published Date 1975/7/25
DOI https://doi.org/10.11477/mf.1403112427
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 The case: a white collar worker, male, 62 years of age.

 Since about two months before he had a feeling of abdominal distention and defecation trouble. A doctor in his neighborhood made a diagnosis of rectal tumor. He was then referred to the surgical department of our hospital. Barium enema examination at admission revealed a marked stricture in the ampulla recti. Digital examination of the rectum together with rectoscopy confirmed a hemispheric submucosal tumor on the posterior wall 5 cm oral from the anal ring. Neither examination of the blood nor liver function tests revealed nothing of abnormal value. B.-J's protein was negative in the urine. Electrophoresis of the serum protein was also normal.

 As the above findings led us to suspect rectal sarcoma, surgical operation was performed. The tumor was large enough, filling the pelvic cavity reaching from the posterior wall of the rectum to the sacrum. The tumor was resected including the rectum. Relaparotomy was later done because ileus developed about 76 days after the operation. Recurrence of the tumor was then detected in the ileum wall. The patient began to complain of pain in the right thigh, confirmed by X-ray as due to pathologic fracture of the right femur. He became worse day by day, dying about six months after the initial examination.

 The resected tumor was a hemispheric tumor on the posterior wall of the rectum, showing extramural development. It measured 11×10×6 cm. Its cut surface was solid with grayish white color, at places showing yellow necrosis.

 Histologically, the tumor was plasmacytoma with pleomorphic cells including giant cells.


Copyright © 1975, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1219 印刷版ISSN 0536-2180 医学書院

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