A Cadaveric Cerebellar Tonsillar Decent with its Rare Variation in Blood Supply

Author(s): Devendra Shekhawat*, Tulika Gupta, Anjali Aggarwal, Daisy Sahni and Sunil K Gupta

The cerebellar tonsils are encountered in many surgical corridors including approaches to the fourth ventricle, supra and subtonsillar, the median suboccipital and different surgical procedures for CMI. Hence, the knowledge of possible variations in the position of cerebellar tonsils is a basic prerequisite for a surgeon operating in this area and relevant vascular anatomy also assumes importance to avoid inadvertent injury to the anterior and posterior, inferior cerebellar arteries.

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