Unusual histopathological findings of appendectomy specimens

ABSTRACT

Background: Appendicitis is a very common surgical clinical condition and appendectomy is a frequently performed procedure worldwide. Although obstruction caused by fecoliths or lymphoid aggregation is a common reason for appendicitis, unusual histopathological findings can be a cause too. Unusual findings can range from benign conditions like worm infestation and cysts to malignant conditions like carcinoid tumors and adenocarcinomas. Enterobius vermicularis infection, tuberculosis, ascaris lumbricoides infestation, carcinoid tumors and cystadenomas are some of the commonly appearing unusual findings: