Spontaneous Unilateral Extracranial Internal Carotid Artery Dissection and Pseudoaneurysm Presenting as Complete Caudal Cranial Nerve Palsy

In patients exhibiting multiple cranial nerve palsy, pathologies such as carotid artery dissection close to the jugular foramen should be considered as a potential cause of the rare Collett-Sicard syndrome. Interdisciplinary collaboration helps to facilitate rapid diagnosis and treatment establishment. Conservative management with antithrombotic medication results in a satisfying outcome.