Disorders of Unknown Cause

Temporal Bone Image Library

  • 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, L-211
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 880
  • 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, L-211a
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 880
  • 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: Title: Sudden deafness, L-211b
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 880
  • 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, L-211c
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 880
  • 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,

  • Title: Sudden deafness, R211
  • 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: 960
  • Gender: Male
  • Age(yrs.): 81
  • otologic_dx:

    1.Sudden deafness, with recovery, idiopathic, no histopathologic correlates identified, right
    2.Presbycusis, mixed, sensory and neural, right
    3.Sudden deafness, profound, without recovery, correlated with diffuse, severe loss of outer and inner hair cells

  • Title: Sudden deafness, R-190
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 960
  • Gender: Male
  • Age(yrs.): 81
  • otologic_dx:

    1.Sudden deafness, with recovery, idiopathic, no histopathologic correlates identified, right
    2.Presbycusis, mixed, sensory and neural, right
    3.Sudden deafness, profound, without recovery, correlated with diffuse, severe loss of outer and inner hair cells

  • Title: Sudden deafness, R-171
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 960
  • Gender: Male
  • Age(yrs.): 81
  • otologic_dx:

    1.Sudden deafness, with recovery, idiopathic, no histopathologic correlates identified, right
    2.Presbycusis, mixed, sensory and neural, right
    3.Sudden deafness, profound, without recovery, correlated with diffuse, severe loss of outer and inner hair cells

  • Title: Sudden deafness, left
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 960
  • Comments: Audio-cytocochleogram
  • Gender: Male
  • Age(yrs.): 81
  • otologic_dx:

    1.Sudden deafness, with recovery, idiopathic, no histopathologic correlates identified, right
    2.Presbycusis, mixed, sensory and neural, right
    3.Sudden deafness, profound, without recovery, correlated with diffuse, severe loss of outer and inner hair cells

  • Title: Sudden deafness, left
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 960
  • Comments: Audio-cytocochleogram
  • Gender: Male
  • Age(yrs.): 81
  • otologic_dx:

    1.Sudden deafness, with recovery, idiopathic, no histopathologic correlates identified, right
    2.Presbycusis, mixed, sensory and neural, right
    3.Sudden deafness, profound, without recovery, correlated with diffuse, severe loss of outer and inner hair cells

  • Title: Sudden deafness, L-201-1
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 960
  • Gender: Male
  • Age(yrs.): 81
  • otologic_dx:

    1.Sudden deafness, with recovery, idiopathic, no histopathologic correlates identified, right
    2.Presbycusis, mixed, sensory and neural, right
    3.Sudden deafness, profound, without recovery, correlated with diffuse, severe loss of outer and inner hair cells

  • Title: Sudden deafness, L-201-1
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 960
  • Gender: Male
  • Age(yrs.): 81
  • otologic_dx:

    1.Sudden deafness, with recovery, idiopathic, no histopathologic correlates identified, right
    2.Presbycusis, mixed, sensory and neural, right
    3.Sudden deafness, profound, without recovery, correlated with diffuse, severe loss of outer and inner hair cells

  • Title: Sudden deafness, L-201
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 960
  • Gender: Male
  • Age(yrs.): 81
  • otologic_dx:

    1.Sudden deafness, with recovery, idiopathic, no histopathologic correlates identified, right
    2.Presbycusis, mixed, sensory and neural, right
    3.Sudden deafness, profound, without recovery, correlated with diffuse, severe loss of outer and inner hair cells

  • Title: Sudden deafness, right
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 355
  • Comments: Audio-cytocochleogram
  • Gender: Male
  • Age(yrs.): 58
  • otologic_dx:

    1. Meniere’s disease, left, manifested by severe endolymphatic hydrops
    2. Sudden deafness, right, manifested histologically by severe atrophy of the tectorial membrane

  • Title: Sudden deafness, R-160b
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 355
  • Gender: Male
  • Age(yrs.): 58
  • otologic_dx:

    1. Meniere’s disease, left, manifested by severe endolymphatic hydrops
    2. Sudden deafness, right, manifested histologically by severe atrophy of the tectorial membrane

  • Title: Sudden deafness, R-160a
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 355
  • Gender: Male
  • Age(yrs.): 58
  • otologic_dx:

    1. Meniere’s disease, left, manifested by severe endolymphatic hydrops
    2. Sudden deafness, right, manifested histologically by severe atrophy of the tectorial membrane

  • Title: Sudden deafness, R-120
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 355
  • Gender: Male
  • Age(yrs.): 58
  • otologic_dx:

    1. Meniere’s disease, left, manifested by severe endolymphatic hydrops
    2. Sudden deafness, right, manifested histologically by severe atrophy of the tectorial membrane

  • Title: Sudden deafness, R-70b
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 355
  • Gender: Male
  • Age(yrs.): 58
  • otologic_dx:

    1. Meniere’s disease, left, manifested by severe endolymphatic hydrops
    2. Sudden deafness, right, manifested histologically by severe atrophy of the tectorial membrane

  • Title: Sudden deafness, R-70b
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 355
  • Gender: Male
  • Age(yrs.): 58
  • otologic_dx:

    1. Meniere’s disease, left, manifested by severe endolymphatic hydrops
    2. Sudden deafness, right, manifested histologically by severe atrophy of the tectorial membrane

  • Title: Sudden deafness, R-30 utricle
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sudden Deafness
  • TB Case Number: 355
  • Gender: Male
  • Age(yrs.): 58
  • otologic_dx:

    1. Meniere’s disease, left, manifested by severe endolymphatic hydrops
    2. Sudden deafness, right, manifested histologically by severe atrophy of the tectorial membrane

  • Title: Presumed viral labyrinthitis, L-171
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sensorineural Hearing Loss Unknown Cause
  • TB Case Number: 1023
  • Comments: 76 yr old woman with a profound left hearing loss of unknown etiology since age of 9 years. She had multiple episodes of bilateral otitis media as a child. She had dizziness at age 58, and ENG showed a left caloric paresis. There is hydrops of the cochlea
  • Gender: Female
  • Age(yrs.): 77
  • otologic_dx:

    Clinical:
    1. Moderate sensorineural hearing loss, downsloping, consistent with presbycusis, right
    2. Profound sensorineural hearing loss, unknown etiology, left
    3. Peripheral vestibular lesion, left
    Histopathological:
    1. Chronic inactive otitis media with

  • Title: Presumed viral labyrinthitis, L-171
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sensorineural Hearing Loss Unknown Cause
  • TB Case Number: 1023
  • Comments: 76 yr old woman with a profound left hearing loss of unknown etiology since age of 9 years. She had multiple episodes of bilateral otitis media as a child. She had dizziness at age 58, and ENG showed a left caloric paresis. There is hydrops of the cochlea
  • Gender: Female
  • Age(yrs.): 77
  • otologic_dx:

    Clinical:
    1. Moderate sensorineural hearing loss, downsloping, consistent with presbycusis, right
    2. Profound sensorineural hearing loss, unknown etiology, left
    3. Peripheral vestibular lesion, left
    Histopathological:
    1. Chronic inactive otitis media with

  • Title: Presumed viral labyrinthitis, L-171
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sensorineural Hearing Loss Unknown Cause
  • TB Case Number: 1023
  • Comments: 76 yr old woman with a profound left hearing loss of unknown etiology since age of 9 years. She had multiple episodes of bilateral otitis media as a child. She had dizziness at age 58, and ENG showed a left caloric paresis. There is hydrops of the cochlea
  • Gender: Female
  • Age(yrs.): 77
  • otologic_dx:

    Clinical:
    1. Moderate sensorineural hearing loss, downsloping, consistent with presbycusis, right
    2. Profound sensorineural hearing loss, unknown etiology, left
    3. Peripheral vestibular lesion, left
    Histopathological:
    1. Chronic inactive otitis media with

  • Title: Presumed viral labyrinthitis, L-171
  • Chapter: Disorders of Unknown Cause
  • Chapter section: Sensorineural Hearing Loss Unknown Cause
  • TB Case Number: 1023
  • Comments: 76 yr old woman with a profound left hearing loss of unknown etiology since age of 9 years. She had multiple episodes of bilateral otitis media as a child. She had dizziness at age 58, and ENG showed a left caloric paresis. There is hydrops of the cochlea
  • Gender: Female
  • Age(yrs.): 77
  • otologic_dx:

    Clinical:
    1. Moderate sensorineural hearing loss, downsloping, consistent with presbycusis, right
    2. Profound sensorineural hearing loss, unknown etiology, left
    3. Peripheral vestibular lesion, left
    Histopathological:
    1. Chronic inactive otitis media with