ISSN - 0973-0958
   
 
Aneurysm of Persistent Right Vitelline Vein in a case of Omphalocele
Sunita Tibrewala, Mayur Vira, Hemant Deshmukh.
Department of Radiology, King Edward Memorial (KEM) Hospital, Mumbai, India.
 
Abstract

Embryology of inferior vena cava (IVC) is a complex developmental process and occurs from numerous vascular structures. Numerous anomalies of IVC are known due to deviation in this developmental process. We note an additional anomaly to those previously reported in a seven month old infant. He was detected to have omphalocele at birth and was referred for cardiac CT in view of a thoracic vascular mass which was detected on echocardiography. On CT, a large dilated vascular structure was noted lying retro-sternally, postero-superior to the liver which was continuous with the supradiaphragmatic portion of the IVC and was a remnant of the right supra-hepatic channel which develops from the right vitelline vein. Report of such a structure has not been previously reported and hence adds to our knowledge of IVC malformations.
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