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Journal of Korean Neurosurgical Society 2010;48(1): 82-84.
doi: https://doi.org/10.3340/jkns.2010.48.1.82
Two Cases with Persistent Falcine Sinus as Congenital Variation.
Myoung Soo Kim, Ghi Jai Lee
1Department of Neurosurgery, Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea. hanibalkms@hanmail.net
2Department of Diagnostic Radiology, Seoul Paik Hospital, Inje University College of Medicine, Seoul, Korea.
ABSTRACT
The falcine sinus is an abnormal anatomic structure located in the falx cerebri that is closed after birth and is rarely observed. We describe two cases of persistent falcine sinus. A 60-year-old woman presented with headache. An 11-year-old girl presented with intermittent headache and a palpable scalp mass in the middle of the high parietal area. The straight sinuses were absent in both patients. In both patients, drainage of the galenic system took place through a sinus within the falx, also known as a falcine sinus. Suspicious dysplastic tentorium cerebelli was observed in one patient. It can be concluded that a mesenchymal disorder can be the primary cause for a persistent falcine sinus.
Key Words: Falcine sinus; Straight sinus; Encephalocele; Tentorium cerebelli
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