Title: Sudden deafness
Chapter: Disorders of Unknown Cause
Chapter section: Sudden Deafness
TB Case Number: 880
Comments: Audio-cytocochleogram
Gender: Female
Age(yrs.): 48
Otologic Dx: 1. Sudden deafness, cause undetermined, left
2. Severe atrophy of the organ of Corti, left
3. Secondary loss of cochlear neurons, left
Title: Sudden deafness
Chapter: Disorders of Unknown Cause
Chapter section: Sudden Deafness
TB Case Number: 922
Comments: Audio-cytocochleogram
Gender: Female
Age(yrs.): 83
Otologic Dx: 1. Sensorineural hearing loss, sudden, presumably of vascular etiology, right
2. Apical cochlear lesion, characterized by degeneration of sensory and neural tissues and a
fibro-osseous response, right
3. Presbycusis, mixed, strial and neural, left
4. Ret
Title: Sudden deafness, R-171
Chapter: Disorders of Unknown Cause
Chapter section: Sudden Deafness
TB Case Number: 922
Gender: Female
Age(yrs.): 83
Otologic Dx: 1. Sensorineural hearing loss, sudden, presumably of vascular etiology, right
2. Apical cochlear lesion, characterized by degeneration of sensory and neural tissues and a
fibro-osseous response, right
3. Presbycusis, mixed, strial and neural, left
4. Ret
Title: Sudden deafness, left
Chapter: Disorders of Unknown Cause
Chapter section: Sudden Deafness
TB Case Number: 949
Comments: Audio-cytocochleogram
Gender: Female
Age(yrs.): 95
Otologic Dx: 1. Sudden deafness, sequential, bilateral
2. Organ of Corti, atrophy, total, 0 to 22 mm on the right and 0 to 5 mm on the left
3. Hair cells, outer and inner, partial loss, 22 to 26 mm on the right and 5 to 15 mm on the left
4. Stria vascularis, atrophy,
Title: Sudden deafness, R-171
Chapter: Disorders of Unknown Cause
Chapter section: Sudden Deafness
TB Case Number: 949
Gender: Female
Age(yrs.): 95
Otologic Dx: 1. Sudden deafness, sequential, bilateral
2. Organ of Corti, atrophy, total, 0 to 22 mm on the right and 0 to 5 mm on the left
3. Hair cells, outer and inner, partial loss, 22 to 26 mm on the right and 5 to 15 mm on the left
4. Stria vascularis, atrophy,
Title: Sudden deafness, right
Chapter: Disorders of Unknown Cause
Chapter section: Sudden Deafness
TB Case Number: 949
Comments: Audio-cytocochleogram
Gender: Female
Age(yrs.): 95
Otologic Dx: 1. Sudden deafness, sequential, bilateral
2. Organ of Corti, atrophy, total, 0 to 22 mm on the right and 0 to 5 mm on the left
3. Hair cells, outer and inner, partial loss, 22 to 26 mm on the right and 5 to 15 mm on the left
4. Stria vascularis, atrophy,







