Rare combination of a persistent anterior falcine sinus with developmental venous anomaly: A case report and literature review

A 21-year-old woman was admitted with a 1-day history of headache. Her neurological examination findings were normal. Computed tomography angiography revealed an oval, well-enhanced dilated vascular lesion in the anterior interhemispheric fissure with a developmental venous anomaly characterized by caput medusae centripetally in the right hemisphere. On the magnetic resonance image, an anterior persistent falcine sinus was connected with the middle portion of the superior sagittal sinus. Cerebral angiography revealed the persistent falcine sinus located in the anterior falx and the parenchymal developmental venous anomaly with caput medusae. In addition, the venous phase of cerebral angiography demonstrated the obstruction of both the inferior sagittal sinus and the bridging vein between the superior thalamostriate and the internal cerebral vein. To our knowledge, this is a very rare case of the combination of an anterior persistent falcine sinus and a developmental venous anomaly.