Acardius anephus is a morphologic subtype of an acardiac twin in the twin reversed arterial perfusion (TRAP) sequence. In this entity, no cephalic or structures are present, but the lower limbs are preserved. This is the most common subtype, seen in 60-75% of cases1.
- 1. Joseph C. Sommerfeldt, Rita E. Putnins, Karen Fung Kee Fung, David Grynspan, Khaldoun Koujok. AIRP Best Cases in Radiologic-Pathologic Correlation: Twin Reversed Arterial Perfusion Sequence. (2014) RadioGraphics. 34 (5): 1385-90. doi:10.1148/rg.345130043 - Pubmed
- 2. Beth M. Kline-Fath, Ray Bahado-Singh, Dorothy Bulas. Fundamental and Advanced Fetal Imaging. (2019) ISBN: 9781451175837