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The Korean Journal of Pathology 2005;39(1): 59-62.
Adenomyoma of Ampulla of Vater or the Common Bile Duct: A Report of Three Cases.
Kee Taek Jang, Jin Seok Heo, Seoung Ho Choi, Dong Il Choi, Jae Hoon Lim, Young Lyun Oh, Geung Hwan Ahn
1Departments of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. gahn@smc.samsung.co.kr
2Departments of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
3Departments of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
ABSTRACT
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.
Key Words: Adenomyoma; Ampulla of Vater; Common bile duct