Sensorineural Hearing Loss - Differential Diagnosis Algorithm
Asymmetric Sensorineural Hearing Loss:
• Neoplastic (Vestibular Schwannoma)
• Retrocochlear Tumor
• Iatrogenic (Radiation, Surgery)
• Idiopathic Unilateral Sensorineural Hearing Loss
Symmetric Congenital:
- Hereditary:
• Mondini dysplasia
• Atresia
- Non-hereditary:
• Developing Cochlear Insults: CMV, Rubella, Toxoplasmosis, HIV, Syphilis, Hepatitis
• Teratogenic drugs, Alcohol
Symmetric Neurogenic (Central):
• Infection (Meningitis)
• Cardiovascular Ischemia
• Multiple Sclerosis
Symmetric Cochlear (Inner-Ear):
• Presbycusis
• Loud Noise/ Trauma
• Cochleitis
• Ototoxic Drugs (Oral Aminoglycosides, etc.)
• Meniere's Disease
• Autoimmune (Cogan's Syndrome)
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