US case of the day. Complete brain duplication with fusion at the posterior fossa (diprosopus tetraophthalmos)
Angtuaco TL, Angtuaco EJ, Quirk JG. US case of the day. Complete brain duplication with fusion at the posterior fossa (diprosopus tetraophthalmos) Radiographics. 1999 Jan-Feb; 19(1):260-3.