Ileal atresia is considered to be an acquired anomaly. It is thought to be caused by a mesenteric vascular accident during fetal life which leads to necrosis of downstream tissues. We present a case in which ileal atresia occurred after intrauterine laser coagulation therapy for a twin-to-twin transfusion syndrome. The laser treatment might have been the etiological factor of the atresia. A second case in which thrombo-embolic calcifications were found in the liver is presented as well.
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