Acardiac Acephalus Twin and Associated Anomalies: A Case Report

Abstract

A. Acardius anephus: Most common type. There is absence of the head and upper torso and limbs in the acardiac twin with preservation of the lower limbs, genitalia and abdominal viscera. B. Acardius anceps. Most developed type. Rudimentary cranial structures present with otherwise persistent trunk, limbs and organs however lacks even a rudimentary heart. C. Acardius Amorphus: Least differentiated type, comprises of an amorphous mass of bone, muscle, fat and connective tissue if rudimentary nerve tissue is present, it is then called acardius myelantencephalus. D. Acardius Acormus: Rarest type. The only developed structure is the fetal head [3, 4].