Enlarged suprameatal tubercle drilling for distal venous microvascular decompression of the trigeminal nerve, anatomical description: Two-dimensional video

When addressing neurovascular pathologies of the posterior fossa, a comprehensive understanding of microsurgical anatomy is critical, especially when extending the traditional retrosigmoid approach. Removing the suprameatal tubercle offers several key anatomical and surgical benefits and has been described as a safe option when compression of the nerve is not in the REZ and might be not evident with the initial exposure of anatomical structures.