http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김완섭,김영석,이혜경,이문성,오명진,심찬섭,전훈배,김영민,임상복,조영덕,송상훈,진소영,문종호,정인섭,허경렬,전진 대한소화기학회 2000 대한소화기학회지 Vol.35 No.4
Neuroendocrine neoplasms of the duodenum constitute 5% of all gastrointestinal carcinoids, but primary ampullary neuroendocrine tumors are very rare. Carcinoid tumors have been described as the most common primary ampullary neuroendocrine tumor. We experienced a 54-year-old man with small cell neuroendocrine carcinoma arising in the ampulla of Vater. Abdominal CT scan revealed dilated common bile duct and enhancing mass at the ampulla of Vater. Duodenoscopic findings showed a huge protruding mass with ulcerative orifice at the ampulla of Vater. Microscopic examination of the tumor revealed small monotonous anaplastic cells. The tumor cells were characterized with hyperchromatic nuclei and high nuclear to cytoplasmic ratio, frequent mitoses. Immunohistochemical staining was strongly positive for neuron specific enolase. We report this case with a review of literatures.