MeSH definition : Rare vascular anomaly involving a communication between the intracranial and extracranial
venous circulation via diploe, the central spongy layer of cranial bone. It is often
characterized by dilated venous structures on the scalp due to abnormal drainage from
the intracranial venous sinuses. Sinus pericranii can be congenital or traumatic in
origin.;
Wikipedia link : https://en.wikipedia.org/wiki/Sinus pericranii;
Rare vascular anomaly involving a communication between the intracranial and extracranial
venous circulation via diploe, the central spongy layer of cranial bone. It is often
characterized by dilated venous structures on the scalp due to abnormal drainage from
the intracranial venous sinuses. Sinus pericranii can be congenital or traumatic in
origin.