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Sebasteyn's Canal

This eponymous canal is named after Mr Wilfried Sebasteyn, General Surgeon from Vienna, 1871 - 1914. The canal is found as an anatomical variant in less than 1% of patients. It projects from the inferior aspect of the clivus anterolaterally to exit in close proximity to the hypoglossal canal. Its function is largely unknown, but it is thought that in patients with Sebasteyn's Canal,the hypoglossal nerve courses through this rather than the hypoglossal canal.