RADIOLOGY OF CONJOINED TWINS

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Abstract
Roentgenologic study is invaluable in the diagnosis and evaluation of conjoined twins. In one case of twin girls fused from the xiphoid to the perineum, the intrauterine diagnosis was suggested by abdominal roentgenograms and confirmed by amniography. After delivery by cesarean section, angiography, urography, and fluoroscopy were utilized to further define the anatomy prior to successful surgical separation. Postmortem angiography in a second pair of conjoined twins disclosed an unsuspected major cardiac anomaly. The criteria for and limitations of the plain film roentgenographic diagnosis of intrauterine conjoined twins are reviewed. Amniography is recommended as a safe, informative procedure to confirm the diagnosis. Extensive postnatal roentgenologic examination, including angiography, can greatly facilitate any planned surgical separation.

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