SINUS PERICRANII

The sinus pericranii represents an abnormal communication between the intracranial and extracranial venous system.

Clinical

A soft, compressible nodule on the scalp that varies in size with changes in head position or intrathoracic pressure is characteristic. It is usually congenital abnormality, but may occur secondary to trauma. Diagnosis may be made by MRI, CAT scan or angiography.

Treatment

Corrective surgery is usually recommended but is not necessary.

References

www.cafemom.com


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