Prenatal Diagnosis of A Case of Fetus in Fetu in the Fetal Retroperitoneum.

Kim, Gun Jung; Lee, Chang Jae; Kim, So Hee; Kim, Dong Ja; Kang, In Koo; Park, Hak Youl

Case Report

Korean Journal of Obstetrics & Gynecology 2003;46(10):2069-2073.
Published online October 1, 2003.

Prenatal Diagnosis of A Case of Fetus in Fetu in the Fetal Retroperitoneum.

Gun Jung Kim, Chang Jae Lee, So Hee Kim, Dong Ja Kim, In Koo Kang, Hak Youl Park

¹Department of Obstetrics and Gynecology, Taegu Fatima Hospital, Taegu, Korea.
²Department of Pathology, Taegu Fatima Hospital, Taegu, Korea.
³Department of Obstetrics and Gynecology, Fatima Women's Hospital, Taegu, Korea.

Abstract

Fetus in fetu is a very rare congenital abnormality in which one vertebrate fetus is enclosed within the abdomen of another fetus. With advancing ultrasound imaging technique, a few case of prenatal diagnosis is reported recently. A case of fetus in fetu with 6 X 6 X 4 cm sized cystic mass in the fetal retroperitoneum was diagnosed prenatally using ultrasound and confirmed by ultrasound and computer tomogram after delivery. This mass was removed completely from delivered baby and finally confirmed fetus in fetu by pathologic examination. Solid portion in this mass was composed of vertebral organization with limb bud, well-developed organ system.

Key Words: Fetus in fetu, Prenatal diagnosis