Acoustic neuroma history and symptoms
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Acoustic neuroma history and symptoms On the Web
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Symptoms of acoustic neuroma include hearing loss, tinnitus, vertigo, headaches, facial weakness, facial numbness and tingling, dizziness, taste changes, difficulty swallowing and hoarseness and, confusion.
Symptoms and signs of Acoustic neuroma considerably dependent on the size of tumor, for instance, generalized headache occurs in less than 20% of patients with small acoustic tumors (less than 2cm), although it can occur in 43 to 75% of patients with tumor over 4cm in diameter. In table 1 and table 2 there are information about the frequency of major symptoms and signs and cranial nerve disturbances respectively. 
|Major signs and symptoms||Diagnostic accuracy of clinical features in predicting the tumor progress|
|Signs and symptoms||Frequency||Sensitivity||Specificity|
|Hypacusis||The most common||High||low|
|Facial paresthesia||Commonly seen||Moderate||Moderate|
|Instability of gait|
|Hearing loss||Occasionally seen||low||high|
|Absent corneal reflex|
|Bucking||Rarely seen||Very low||Very high|
|Nausea and vomiting|
|V||Trigeminal nerve disturbance||Commonly seen|
|VI||Abduction disorder||rarely seen|
|VII||Facial nerve disturbance||Occasionally seen|
|VIII||Hearing deficits||Mostly seen|
|VIII||Vestibular disturbance||Occasionally seen|
|IX-XII||Caudal cranial nerve deficits||Seldom seen|
- Vestibular Schwannoma. Wikipedia(2015) https://en.wikipedia.org/wiki/Vestibular_schwannoma Accessed on October 2 2015
- [https ://medlineplus.gov/acousticneuroma.html "MedlinePlus Acoustic neuroma"] .
- Robert G. Hart, M.D. and John Davenport, M.D (1981). "Diagnosis of Acoustic Neuroma". Neurosurgery. 4: 450.
- XIANG HUANG, JIAN XU, MING XU, LIANG-FU ZHOU, RONG ZHANG, LIQIN LANG, QIWU XU, PING ZHONG, MINGYU CHEN, YING WANG and ZHENYU ZHANG (2012). "Clinical features of intracranial vestibular schwannomas". ONCOLOGY LETTERS.