A CASE REPORT OF PARAGANGLIOMA IN THE GREATER OMENTUM

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  • 大網内に発生したparagangliomaの1例

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A 65-year-old female was admitted to the hospital because of right low back pain and jaundice. A tumor in the right upper abdomen was palpated. Abdominal ultrasonography and CT revealed gallstones and an 8×7×4cm tumor in the subhepatic space. Gastrointestinal series and endoscopy disclosed no any findings relating to the tumor. Angiography of the abdomen revealed the feeding vessels to the tumor origined from the gastro-duodenal artery.<br> Cholecystectomy was performed and the tumor in the greater omentum was excised. The tumor existing in the large omentum was solid and encapsulated, it being easily removed. Histopathologically the tumor was paraganglioma. Extra-adrenal-paraganglioma arising in the mediastinum or retroperitoneum can be infrequently seen in the literature. The paraganglioma arising in the greater omentum in this case appears the first report in Japan as far as we could review.

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