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The Korean Journal of Pathology 1992;26(3): 306-309.
Primary Appendiceal Papillary Adenocarcinoma of Colonic Type: Report of a case.
Yun Kyung Kang, Ghee Young Choe, Yong Il Kim, Kuk Jin Choe
1Department of Pathology, Seoul National University, Seoul, Korea.
2Department of Surgery, Seoul National University, Seoul, Korea.
We report a case of colonic type-papillary adenocarcinoma of appendiceal origin in a 73-year-old male patient. The patient presented with right lower quadrant mass and was operated for a preoperative diagnosis of inflammatory small bowel mass. The mid one-third of the appendix showed a 3.5x3.3 cm sized, broad-based, intraluminal papillary mass. Microscopically, it was a well differentiated papillary adenocarcinoma and revealed a strong immunoreactivity to carcinoembryonic antigen. Tumor desmoplasia and acute inflammatory change were prominent.
Key Words: Appendix; Adenocarcinoma; Colonic type-adenocarcinoma; Papillary adenocarcinoma