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Fig. 3 | Egyptian Journal of Neurosurgery

Fig. 3

From: A single centre case series of microvascular decompression surgery for classical trigeminal neuralgia: functional outcomes and report of a unique conflict

Fig. 3

Surgical approach of our case. A Intraoperative microscopical view of the neurovascular conflict via a retrosigmoid approach demonstrating a tributary of petrosal vein (long arrow) passing through the substance of trigeminal nerve itself (short arrow). B Coagulation of the offending vein prior to C dividing it proximal to the root entry zone of the trigeminal nerve with vivid view of the SCA (black arrow) beneath. D Transposing the stump by placing pieces of Gelfoam between the nerve and the vessel stump. SCA: superior cerebellar artery

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