Objective jugular foramen tumors are rare cranial base lesions that present diagnostic and management difficulties with the availability of new diagnostic procedures these tumors have been more precisely studied and questions of whether when and how these lesions should be treated often arise data from 106 consecutive patients surgically treated in the past 17 years were retrospectively analyzed to identify surgical outcomes. This book covers all aspects of the diagnosis and treatment of tumors of the jugular foramen cranial base lesions that present particular diagnostic and management difficulties and remain challenging to remove despite advances in surgery and interventional neuroradiology the authors have developed novel concepts and surgical techniques relating to management of the facial nerve reconstruction of the cranial base and resection of large tumors with intra and extracranial extension . Tumors of the jugular foramen jf present special problems concerning their diagnosis and management important neurovascular structures at jf cranial base high cervical and posterior fossa regions are involved by these lesions paraganglioma is the most frequent jf tumor its initial symptoms are in the majority of cases hearing loss and tinnitus other lesions may present paralysis of lower cranial nerves as the initial symptom the combined expertise of neurosurgeons ear nose and . The jugular foramen is a complex anatomical structure crossed by a number of vital neurovascular structures connecting the posterior fossa and the neck it is the site for a variety of tumors the most common being paragangliomas and schwannomas primarily affecting the jugular foramen additionally and less commonly this region can be