Asymmetric conjoined twins: Gnathopagus parasiticus

In this study, a rare case of asymmetric conjoined twins that were connected to each other by their mandibles is described. There was an amorphous mass in between mandibles of the newborn calf. Radiological examination revealed that the amorphous mass consisted of a structure similar to the mandible and skull. According to the findings, the present anomaly was asymmetric conjoined twins connected to each other by mandibles and named as gnathopagus parasiticus. Gnathopagus parasiticus case has not been reported in the literature previously.