Cephalothoracopagus janiceps asymmetros twins: antenatal sonographic diagnosis.

Conjoined twins have been the subject of myth and legend since antiquity because of the rarity and peculiarity of their juxtaposition. Fortunately, modern medical technology and concurrent advancements in surgical techniques provide an opportunity for successful separation and hope of a normal independent existence for these unique children. Antenatal sonography allows timely detection of this condition so that further management may be planned.