Magnetic resonance imaging evidence of a focal pontine ischemia in sudden hearing loss and seventh nerve paralysis

Sudden sensorineural hearing loss (SSHL) has been associated with many etiologies. However, determining the exact cause of SSHL remains elusive. Recent reports have demonstrated the usefulness of magnetic resonance imaging in identifying the site of lesion in SSHL. This report presents the case of a...

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Veröffentlicht in:	The American journal of otology (New York, N.Y.) N.Y.), 1994-03, Vol.15 (2), p.250-253
Hauptverfasser:	BIAVATI, M. J, GROSS, J. D, WILSON, W. R, DINA, T. S
Format:	Artikel
Sprache:	eng
Schlagworte:	Aged Audiometry Biological and medical sciences Brain Ischemia - complications Brain Ischemia - diagnosis Brain Ischemia - physiopathology Diagnosis, Differential Facial Nerve - physiopathology Facial Paralysis - diagnosis Facial Paralysis - etiology Facial Paralysis - physiopathology Hearing Loss, Sensorineural - diagnosis Hearing Loss, Sensorineural - etiology Hearing Loss, Sensorineural - physiopathology Humans Investigative techniques, diagnostic techniques (general aspects) Magnetic Resonance Imaging Male Medical sciences Otorhinolaryngology. Stomatology. Orbit Pons - physiopathology Radiodiagnosis. Nmr imagery. Nmr spectrometry
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Zusammenfassung:	Sudden sensorineural hearing loss (SSHL) has been associated with many etiologies. However, determining the exact cause of SSHL remains elusive. Recent reports have demonstrated the usefulness of magnetic resonance imaging in identifying the site of lesion in SSHL. This report presents the case of a 68-year-old male who presented with right-sided SSHL associated with right-sided facial paralysis. Magnetic resonance imaging demonstrated a focal area of increased signal on T2-weighted image within the right inferior pons, suggestive of a postischemic edematous focus. Magnetic resonance imaging is becoming important in establishing the etiology of SSHL. Magnetic resonance imaging findings in cases of hearing loss are discussed.
ISSN:	0192-9763