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Acta Radiol Short Rep. 2012 Oct 5;1(9). pii: arsr.2012.120017. doi: 10.1258/arsr.2012.120017. eCollection 2012.

Primary signet ring cell carcinoma of the appendix mimicking acute appendicitis.

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Department of Biomorphological and Functional Sciences.


Primary signet ring cell carcinoma of the appendix is a very rare neoplasm that usually presents with signs and symptoms of acute appendicitis and in particular with a right lower abdominal pain. Preoperative imaging detection of appendiceal adenocarcinoma has an important value because it may result in an appropriate surgical procedure. We report a rare case of primary signet ring cell carcinoma of the vermiform appendix in an 80-year-old man who was misdiagnosed on computed tomography (CT) scan as acute appendicitis.


Appendix; CT; inflammation; neoplasms – primary

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