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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.
ABSTRACT
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