I. What are the common clinical manifestations of auditory neuroma? Auditory neuroma usually takes about 4 years from the appearance of the initial symptoms to the diagnosis, and the common clinical manifestations are as follows: 1. Hearing change is the first common symptom, typically progressive unilateral sensorineural deafness, and 10% of them are sudden deafness. 2. 2, tinnitus is mostly persistent, high-pitched unilateral tinnitus. 3.Vestibular dysfunction 18%~22% in the early onset of vertigo, which will be relieved after a few days or months; unsteady walking; 90% of the patients may have nystagmus. 4.Facial nerve manifestations are mostly mild facial paralysis, rarely facial muscle dyskinesia, and rarely facial muscle spasm due to root compression. 5.Trigeminal nerve manifestation of ipsilateral facial sensory abnormality or retardation, with the distribution area of the second branch of trigeminal nerve being the most common; 6% have episodic facial pain; rarely have masticatory dysfunction. 6.The posterior group of cerebral nerve paralysis dysarthria, dysphagia and hoarseness, contralateral hemiparesis and pyramidal tract signs. 7.Cerebellar ataxia accounted for 45%, mostly trunk and limb disorders, manifested as excessive distance discrimination, dyskinesia, dyskinesia of transformational movements, often combined with postural tremor and cerebellar speech. 8.Brainstem symptoms appear when the tumor is large. Ataxia, diplopia, contralateral limb motor and sensory disorders are manifested, and coma and respiratory disorders may occur in severe cases. 9.Cranial hypertension symptoms and signs are not early symptoms, mainly seen in large tumors, especially in patients with hydrocephalus. The manifestations are optic papillary edema, headache aggravation (more common in forehead and occiput), vomiting, etc. In severe cases, blindness may occur due to secondary atrophy of optic nerve. II. What are the early manifestations of acoustic neuroma? Typical early manifestations of acoustic neuroma are tinnitus, sensory deafness and balance disorders. Patients with these manifestations should go to neurosurgery department for CT or MRI in order to get a clear diagnosis and early treatment.