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Acoustic neuroma: deterioration of speech discrimination ...
https://pubmed.ncbi.nlm.nih.gov/11039874/#:~:text=Results%20showed%20that%20patients%20with%20an%20acoustic%20neuroma,as%20severe%20as%20those%20described%20in%20earlier%20studies.
Acoustic Neuroma Diagnostic tests
https://dizziness-and-balance.com/disorders/tumors/acoustic_neuroma/tests.html
Typical audiogram for patient with an acoustic neuroma. Red circles are the right (normal) side. The blue boxes are the left (acoustic) ear. Audiogram of patient with large acoustic neuroma on left side, but (nearly) symmetrical hearing. This example shows that symmetrical hearing testing does not always exclude the diagnosis of an acoustic neuroma.
Acoustic Neuroma: An Overview Robert A. Battista Jill ...
https://www.audiologyonline.com/articles/acoustic-neuroma-an-overview-11407
The ABR is more accurate the larger the tumor is, so it has 92 to 98% accuracy when the acoustic neuroma is greater than one-and-a-half centimeters, but as it gets smaller than that, the accuracy drops to 60 to 70% (Schmidt, Sataloff, Newman, Spiegel, & Myers, 2001). Even if a patient has a normal ABR, an acoustic neuroma cannot be ruled out.
Prevalence of acoustic neuroma associated with each ...
https://pubmed.ncbi.nlm.nih.gov/21033029/
In conclusion, 2.9% to 8.1% of patients with a characteristic configuration of the pure tone audiogram and symptoms of nonimproving or progressive idiopathic sudden deafness may have acoustic neuroma. Prevalence of acoustic neuroma associated with each configuration of pure tone audiogram in patients with asymmetric sensorineural hearing loss.
Acoustic neuromas presenting with normal or …
https://pubmed.ncbi.nlm.nih.gov/9520059/
Results: A total of 29 patients (5%) were identified who had normal or symmetrical pure-tone audiograms between 500 and 4,000 Hz. The average difference in speech reception threshold between tumor and nontumor ear was 3.2 dB, and the average difference in speech detection score was 2.6%. The most common presenting symptoms that led to the diagnosis of the AN …
Audiometric findings in patients with acoustic neuroma ...
https://www.researchgate.net/publication/12495634_Audiometric_findings_in_patients_with_acoustic_neuroma
This study documents the audiometric findings from 721 acoustic neuroma procedures. This was a retrospective study. The preoperative audiometric data were compiled and …
Acoustic Neuroma (Vestibular Schwannoma) | Johns …
https://www.hopkinsmedicine.org/health/conditions-and-diseases/brain-tumor/vestibular-schwannoma
If you have an acoustic neuroma, your audiogram may show the following. Increased pure tone average (PTA). This metric evaluates how loud a sound frequency needs to be before you hear it.
Acoustic Neuroma: Symptoms - Hopkins Medicine
https://www.hopkinsmedicine.org/otolaryngology/specialty_areas/otology/conditions/acoustic-neuroma/symptoms.html
In a recent series, 15 % of AN patients had subjectively normal hearing, of whom only 4 % had normal audiograms SRT (speech reception threshold) < 25 dB, SDS (speech discrimination score) >85 %). In addition, 7% of patients had audiometrically symmetrical hearing. return to top of page.
How to Read an Audiogram | Iowa Head and Neck …
https://medicine.uiowa.edu/iowaprotocols/how-read-audiogram
Neoplastic: acoustic neuroma or meningioma; AUDIOGRAM: The hearing test results are plotted on a graph with the y-axis representing hearing threshold and the x-axis representing frequency. The right ear is generally plotted with a O and the left ear with a X. Bone conduction is also plotted (to allow for differentiation of conductive and SNHL).
Diagnosing Acoustic Neuroma | NYU Langone Health
https://nyulangone.org/conditions/acoustic-neuroma/diagnosis
Acoustic neuroma, also called vestibular schwannoma, is a slow-growing, benign tumor that develops on the eighth cranial nerve—the nerve that carries signals from the inner ear to the brain. These signals help the brain process sounds as well as information that allows you to keep your balance. Acoustic neuromas arise from Schwann cells, which provide insulation—called …
Audiological Aspects of the Diagnosis of Acoustic …
https://thejns.org/view/journals/j-neurosurg/24/3/article-p621.xml
Some observations on masking and on the progression of auditory signs in acoustic neurinoma. J. Speech Hear. Disorders, 1962, 27: 140 – 143. Jerger, J., and Waller, J. Some observations on masking and on the progression of auditory signs in acoustic neurinoma. J. Speech Hear. Disorders, 1962, 27: 140–143.
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