Challenges in preoperative diagnosis of glossopharyngeal nerve schwannoma: own findings analysis

Medical history, disease onset, clinical symptoms, and results of neuroimaging 14 glossopharyngeal schwannoma patients, who were exa­mined treated in the Subtentorial Neurooncology Department State Institution, Romodanov Institute Neurosurgery NAMS Ukraine (8 patients) No. 2 Municipal Enterprise, Mechnikov Dnipropetrovsk Regional Clinical Hospital Council (6 2018 to 2021 have been analyzed details. The study inclusion criteria as follows: patient’s age over 18, pre­sence unilateral primary nerve schwannoma. Our showed that most signs symptoms are associated with otolaryngological disorders (such hearing loss, tinnitus, hoarseness, or dizziness) cerebellar ataxia, nystagmus, dizziness). Neuroimaging cerebellopontine angle tumors diagnosis must include brain computed tomography (with mandatory assessment state jugular foramen internal auditory canal) IV contrast magnetic resonance high-resolution sequences, gradient echo (3D CISS, DRIVE, TRUFFI, B-FFE) aim better visualization differentiation various cranial nerves. demonstrates com­plexity a reliable preoperative when using standard diagnostic tools. Preoperative should be based on systematic approach comparison comprehensive instrumental examination studies.