Cholescintigraphy for assessing the separation potential of thoracoomphalopagus twins.

This case report describes the use of cholescintigraphy in the preoperative evaluation of ventrally conjoined twin girls. Sonography and magnetic resonance imaging disclosed an anatomically conjoined heart and a single apparently fused liver. Cholescintigraphy demonstrated that the hepatic system functioned as two independent livers, gallbladders, and biliary drainage systems that were susceptible to separation.