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KMID : 0985520130180030052
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Korean Journal of Pancreas and Biliary Tract
2013 Volume.18 No. 3 p.52 ~ p.58
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A Gangliocytic Paraganglioma of the Ampulla of Vater Treated by Endoscopic Snare Papillectomy
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Yang Hae-Min
Park Hyun-Woo
Kim Sun-Zoo
Cho Chang-Min
Jung Min-Kyu
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Abstract
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Gangliocytic paraganglioma is an extremely rare tumor that is usually seen in the duodenum. It has unique histologic features composed of endocrine cells with a carcinoid-like appearance, isolated ganglion cells, and spindle-shaped Schwann cells. Generally, this tumor is considered benign, because only a few cases of regional lymph node metastases and local recurrence have been reported. But in most patients, resection, including pancreatoduodenectomy, was performed because preoperative diagnosis was difficult. We present a case of a gangliocytic paraganglioma of the ampulla of vater misdiagnosed as ampullary adenoma and treated with endoscopic papillectomy. The resected specimen revealed a gangliocytic paraganglioma. All margins of resection were negative for tumor. A size of the specimen was 2.0×1.3×1.0 cm. We present this case, because gangliocytic paraganglioma is a rare tumor, and it was successfully treated with endoscopic resection.
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KEYWORD
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Gangliocytic paraganglioma, Ampulla of Vater
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