Case of immature mesenteric teratoma.

Mesenteric teratomas are extremely rare tumor arising from totipotent primordial cells, which displays a mixture of tissues of tridermal or bidermal origin. Immature teratoma in mesentery is still rarer. Here we report a case of immature mesenteric teratoma in a two day old neonate, which is youngest such patient except for one case, which has been diagnosed prenataly with the help of ultrasonography.