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Appendiceal Mucinous Neoplasm Detected due to the Protrusion of Mucin, in the Absence of Appendiceal Distension: A Case Report

Journal of Digestive Cancer Reports 2020년 8권 2호 p.109 ~ 111
박진우, 박민근, 송지선, 조현제, 김유진,
소속 상세정보
박진우 ( Park Jin-Woo ) - Catholic Kwandong University College of Medicine International St. Mary’s Hospital Department of Internal Medicine
박민근 ( Park Min-Geun ) - Catholic Kwandong University College of Medicine International St. Mary’s Hospital Department of Surgery
송지선 ( Song Ji-Sun ) - Catholic Kwandong University College of Medicine International St. Mary’s Hospital Department of Pathology
조현제 ( Cho Hyeon-Je ) - Catholic Kwandong University College of Medicine International St. Mary’s Hospital Departments of Radiology
김유진 ( Kim Yu-Jin ) - Hallym University College of Medicine Gangnam Sacred Heart Hospital Department of Gastroenterology

Abstract


A mucocele is a cystic dilatation of the vermiform appendix that contains mucous material. The symptoms associated with it are not specific and the diagnosis is seldom made prior to surgery. The reported prevalence in appendectomy specimens procured during surgery is 0.2-0.3%. Recently, we experienced a case of patient with appendiceal mucocele detected by colonoscopic examination. This case did not show typical colonoscopic features of a mucocele, demonstrating protrusion of mucin, in the absence of a smooth mound with normal overlying mucosa surrounding the appendiceal orifice. The case involved a 64-year-old woman who underwent a colonoscopy. An abdominopelvic computed tomography scan suggested a normal appendix. Subsequently, we performed an appendectomy. The pathologic finding was a low-grade appendiceal mucinous neoplasm.

키워드

Appendiceal mucocele; Mucin protrusion

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