Bilateral Duplication of the Sphenoidal Emissary Foramen: A Case Report with Implications for Surgeries using Transovale Cannulation
نویسندگان
چکیده
The sphenoidal emissary foramen (SEF) is an inconsistent foramen located in the middle cranial fossa. The SEF may transmit a sphenoidal emissary vein (of Vesalius), dural venous sinus, nervolulus sphenoidalis lateralis, or an accessory middle meningeal artery. Prior reports have noted SEF to exist unilaterally and bilaterally. Duplication of the SEF has also been documented to occur unilaterally. This case study documents a bilateral duplication of the SEF. Also, this case represents the first anatomical photograph of a bilateral duplication of SEF. Because the SEF are occasionally cannulated by mistake in procedures which attempt to access the middle cranial fossa via the foramen ovale, knowledge of the bilateral duplication of the SEF is important for neurosurgeons and radiologists.
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