Sinus pericranii presenting with macrocephaly and mental retardation.

Department of Radiology and Neurosurgery, BGS Global Hospital, Uttarahalli Road, Kengeri, Bangalore - 560 098, India.
Journal of Pediatric Neurosciences 01/2010; 5(1):39-41. DOI: 10.4103/1817-1745.66665
Source: PubMed


We present a rare case of right parietal sinus pericranii in a 2-year-old female child who presented with a compressible swelling on the right side of the scalp since 3 months of age, with a large head. Magnetic resonance imaging along with venography and conventional angiogram was performed, which confirmed the diagnosis.

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    ABSTRACT: Normally, there is no obvious communication between the intracranial and extra cranial venous drainages in the head. In Sinus Pericranii, there is an abnormal communication, either from the extra cranial system to the intracranial venous sinuses or from the intracranial venous system to the extra cranial draining veins. Venous anomaly is a collection of non muscular venous blood vessels, adhering tightly to the outer surface of the skull and directly communicating with an intracranial venous sinus through diploic veins. The varicosities are intimately associated with the periostium, are distensible, and vary in size with changes in intracranial pressure Sinus pericranii is not a single clinico pathologic entity, rather a symptom complex with diverse clinical manifestations.In this article,the authors present a case of 8 mo old boy having Sinus Pericranii.
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