- Adenosquamous Carcinoma of the Ampulla of Vater: A Report of Two Cases.
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Da keun Lee, Cheol Keun Park, Geung hwan Ahn, Sung Ju Kim, Jin Seok Heo, Kyu Taek Lee, Sang hui Park, Kee Taek Jang
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Korean J Pathol. 2006;40(2):160-164.
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 Abstract
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- Primary adenosquamous carcinoma of the ampulla of Vater is extremely rare. We report two cases of adenosquamous carcinoma of the ampulla of Vater in a 48-year-old female and an 80-year-old female patient. The gross appearance was a polypoid mass in both cases. Histologically, the majority of the two tumors was composed of squamous cell carcinoma with some intermingled glandular adenocarcinoma components in both cases. Squamous cell carcinomas showed an abrupt transition from the normal glandular epithelium or glandular adenocarcinoma. Although the two cases revealed duodenal wall invasion and lymph node metastasis was found in case 2, both patients are still alive at 19 and 46 months after surgery, respectively.
- Adenomyoma of Ampulla of Vater or the Common Bile Duct: A Report of Three Cases.
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Kee Taek Jang, Jin Seok Heo, Seoung Ho Choi, Dong Il Choi, Jae Hoon Lim, Young Lyun Oh, Geung Hwan Ahn
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Korean J Pathol. 2005;39(1):59-62.
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- Adenomyoma is a rare non-neoplastic lesion of the biliary tract. Here we report on three cases of adenomyoma; one located in the ampulla of Vater and two located in the common bile duct. Although preoperative endoscopic and radiological evaluations could not determine whether lesions were benign or malignant, intra-operative frozen section histologic examinations aided the differential diagnosis.
Microscopic features of a lobular gland architecture with basally located nuclei and the absence of desmoplastic stromal reaction were found to be characteristic in frozen and paraffin sections.
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