All issues > Volume 36(12); 1993

Case Report

J Korean Pediatr Soc. 1993;36(12):1761-1764. Published online December 15, 1993.

A Case of Fetus-in-Fetu

Jong Hyun JH Kim¹, Ik Jun IJ Lee¹

¹Department of Pediatrics, Catholic University Medical College, Seoul, Korea

Abstract

Fetus-in-fetu is a very rare condition in which a malformed monozygotic twin lies within the body of its fellow, usually in the retroperitoneal cavity. Today it is generally accepted that the distinction between fetus-in-fetu and teratoma is largely determined by whether an axial skeleton system is present. We experienced a 6 months female infant who admitted to our unit because of incidental abdominal mass. A plain abdominal X-ray showed that the mass contained completely formed fetal skeletal system. It was removed by surgery. By pathologic and radiologic study of mass. We confirmed as a fetus-in-fetu. We report the case with brief review of related literatures.

Keywords :Fetus-in-fetu