craniopagus


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craniopagus

 [kra″ne-op´ah-gus]
conjoined twins that are joined at the skull.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

cra·ni·op·a·gus

(krā-nē-op'ă-gus),
A type of conjoined twin united on any portion of the cranial vault or calvarium not involving the foramen magnum, skull base, face, or vertebrae. The juncture is rarely symmetric and may involve the entire head or only a portion and may include the meninges, venous sinuses, and the cerebral cortex. Infinite variations exist in both axial and rotational orientation. Type 1, twins are facing the same direction; type 2, twins are facing the opposite direction; type 3, twins are facing 90° from one another.
[cranio- + G. pagos, something fixed]
Farlex Partner Medical Dictionary © Farlex 2012
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References in periodicals archive ?
They believe there could be up to six sets of craniopagus twins born worldwide each year who might be successfully separated.
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But some raised questions about whether or not the procedure, the first-ever attempt to separate adult craniopagus twins, should have been attempted.
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This was the first time surgeons tried to separate adult craniopagus twins - siblings born joined at the head.
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It was the first time surgeons had attempted to separate adult craniopagus twins -siblings born joined at the head -since the operation was first performed on infants in 1952.
TWIN SISTERS DIE IN SURGERY
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