pygopagus


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pygopagus

 [pi-gop´ah-gus]
conjoined twins fused in the sacral region.

py·gop·a·gus

(pī-gop'ă-gŭs),
Conjoined twins in which the two individuals are joined at the buttocks, most often back to back. See: conjoined twins.
[pygo- + G. pagos, something fixed]
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References in periodicals archive ?
They are further classified into eight basic types relative to their site(s) of union or pagus (Greek for joined): Omphalopagus (umbilicus/abdomen), thoracopagus (thorax/upper abdomen), cephalopagus (maxillofacial), craniopagus (skull), ischiopagus (pelvis), rachipagus (spine) and pygopagus (sacrum).
Al-Salem, "Successful separation of pygopagus conjoined twins and primary skin closure using V-shaped flaps," Journal of Plastic, Reconstructive & Aesthetic Surgery, vol.
Separation is feasible in Ischiopagus, Pygopagus, Omphalopagus, Parastic twins.
This will be India's first attempt to separate twins joined at the tail end of their spines; scientifically described as pygopagus. Only 17 percent of the total world population of conjoined twin accounts for this category.