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Ectopic Enterobius Vermicularis Iinfestation; An Extremely Rare Cause Of Mesenteric Lymphadenopathy Mimicking Tuberculous Lymphadenitis, Summaya Zafar, Muhammad Usman, Zubair Ahmad

Department of Pathology and Laboratory Medicine

Enterobius vermicularis (EV) is a pinworm which commonly resides in the lumen of the intestinal tract and lays eggs on the perianal skin. However, rarely the worm can infest various other sites in the body and cases with infestation of such ectopic sites have been reported in literature. Rare cases of mesenteric lymph node involvement have also been reported. We report a case in a young male who presented with signs and symptoms of acute appendicitis. During surgery, enlarged mesenteric lymph nodes were identified. Histological examination revealed adult worm in the appendiceal lumen. Histological examination of mesenteric lymph node revealed …