* Glomus tumors (most frequently) * Meningiomas * Schwannomas (Acoustic neuroma) * Metastatic tumors located at the cerebellopontine angle * Trauma * Fracture of occipital bone * Infections * Cholesteatoma (very rare) * Obstruction of the<unk><unk>  due to bone diseases * Nasopharyngeal carcinoma spreading into the parapharyngeal space involving the ninth, tenth, and eleventh cranial nerves
Jugular foramen syndrome
Cervical artery dissection
Geniculate ganglionitis
Tonic tensor tympani syndrome
Rectus sheath hematoma
Choroid plexus tumor
Genitopatellar syndrome
Vertebral artery dissection