Abstract

Complete resection of jugular foramen schwannomas (JFSs) with minimal cranial nerve complications remains difficult even for skilled neurosurgeons. Between November 2011 and November 2017, 31 consecutive patients diagnosed with JFSs underwent a single-stage operation performed by the same neurosurgeon. We retrospectively analyzed clinical characteristics, surgical approaches, treatment outcomes, and follow-up data for these patients. JFSs were classified according to the Samii classification system. A retrosigmoid approach was used to resect type A tumors, while a suboccipital transjugular process (STJP) approach was used to resect type B tumors. Notably, the present study is the first to report the use of a paracondylar-lateral cervical (PCLC) approach for the treatment of type C and D tumors. Type A-D tumors were observed in seven, four, four, and 16 patients, respectively. Gross-total resection was achieved in 29 patients (93.5%). There were no cases of intracranial hematoma, re-operation, tracheotomy, or death. Adjunctive gamma knife treatment was used to manage residual tumors in two patients. Neurological deficits relieved in half of patients at the last follow-up. By reviewing the studies published on PubMed, the approaches gradually be more conservative, rather than widely expose the skull base. Nonetheless, endoscope and stereotactic radiosurgery plays an important role in the management of JFSs. Both tumor removal and neurological function retention can be obtained by choosing individual treatment.

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