Cardiac and other malformations in parapagus twins
Tansel, Türkan.; Yazicioğlu, F.
Archives of Gynecology and Obstetrics 269(3): 211-213
2004
ISSN/ISBN: 0932-0067 PMID: 15069929 DOI: 10.1007/s00404-002-0406-4Document Number: 261253
Conjoined twins occur in one 50-200,000 live births and approximately 75% of all cases are thoracopagus twins. Parapagus conjoined twins are rare and are not included in many review articles. The cardiovascular system of a male parapagus (dicephalus, tetrabrachius, dipus) conjoined twins was studied. Twin B had bilateral bilobed lungs and a normal heart, while bilateral trilobed lungs and right isomerism was found in twin A. They shared a diaphragm and an abdominal cavity. There were two complete heads on two necks, two thoraxes, one abdomen, four arms, two legs, two complete vertebral columns, a single pelvis, and severe cardiac abnormalities.
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