A CASE OF PERIPANCREATIC HYALINE VASCULAR-TYPE CASTLEMAN'S DISEASE

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  • 膵内分泌腫瘍を疑ったCastleman’s diseaseの1例

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Abstract

A woman in her fourties was referred for a examination because it was pointed out that she had a tumor of pancreas in the physical check-up. The abdominal CT showed a 2cm circular tumor that had a strong contrast effect on the superior margin of the pancreatic body. We suspected a nonfunctioning pancreatic endocrine tumor and operated. We performed only tumor enucleation, because the perioperative frozen section showed the histology of Castleman's disease. This disease is the hyperplasia of the lymph nodes characteristicaly develop in the mediastinal space and cervix. It is comparatively rare that Castleman's disease develops intraperitoneally. According to a few reports, it can develop in the lymph nodes of mesenterium and retroperitoneum. It is benign disease basically, and good prognosis is obtained by simple tumor enucleation. In this case, it was important to consider the possibility of pancreatic endocrine tumor as a differential diagnosis. We mode diagnosis by perioperative frozen section, and could avoid an enlarged operation.

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