Pulmoary nodule caused by Enterobius vermicularis

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  • 1 Department of Parasitology, Tulane University, School of Public Health and Tropical Medicine, New Orleans, Louisiana 70112, General Hospital, Rockville, Connecticut 06066, and Department of Laboratory Medicine, University of Connecticut Medical Center, Hartford, Connecticut 06112

A pinworm, Enterobius vermicularis, collaped and with the egg-laden uterus prolapsed into the surrounding tissue was identified in histopathological sections of a nodule discovered by routine roentgenograph and surgically removed from the lung of a 23-year-old man in Connecticut, U.S.A., the second such case to be reported.