Anatomy

Temporal Bone Image Library

  • Title: temporal bone right lateral
  • Chapter: Anatomy
  • Chapter section: Osteology of Temporal Bone
  • Title: temporal bone right medial
  • Chapter: Anatomy
  • Chapter section: Osteology of Temporal Bone
  • Title: temporal bone right posterior
  • Chapter: Anatomy
  • Chapter section: Osteology of Temporal Bone
  • Title: EAC Glands, 490
  • Chapter: Anatomy
  • Chapter section: External Auditory Canal
  • TB Case Number: 72
  • Gender: Female
  • Title: EAC Glands, R 490
  • Chapter: Anatomy
  • Chapter section: External Auditory Canal
  • TB Case Number: 72
  • Gender: Female
  • Title: EAC Glands, 143
  • Chapter: Anatomy
  • Chapter section: External Auditory Canal
  • TB Case Number: 791
  • Gender: Female
  • Title: EAC Glands, R 143
  • Chapter: Anatomy
  • Chapter section: External Auditory Canal
  • TB Case Number: 791
  • Gender: Female
  • Title: Ossicles+dime
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • Title: Ossicles, L-11
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 391
  • Comments: malleus and incus
  • Gender: Male
  • Age(yrs.): 36
  • Title: Ossicles, R-131
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 653
  • Comments: malleus and incus
  • Gender: Male
  • Age(yrs.): 78
  • Title: Malleus, L -81
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 765
  • Gender: Male
  • Age(yrs.): 63
  • Title: R250 Pretympanic Spine
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 184
  • Gender: Female
  • Age(yrs.): 73
  • Title: Ossicles, R-216
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 971
  • Comments: Facial dehiscence near OW
  • Gender: Male
  • Age(yrs.): 79
  • Title: Ossicles, L-236
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 1012
  • Comments: 86 yr old woman with otosclerosis. Anatomical relationships between manubrium, plica mallearis, incus and footplate are shown.
  • Gender: Female
  • Age(yrs.): 86
  • Title: R201 Incus pneumatization
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 207
  • Gender: Male
  • Age(yrs.): 60
  • Title: Tensor Tympani, L 132
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 516
  • Gender: Male
  • Age(yrs.): 82
  • Title: Round window, R-336
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 61
  • Comments: RW mucosal fold
  • Gender: Male
  • Age(yrs.): 68
  • Title: Round window, R-341
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 923
  • Comments: Mucosal fold in round window niche obscures RW membrane
  • Gender: Male
  • Age(yrs.): 72
  • Title: Vertical Section with OW and RW, R391
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 534
  • Gender: Female
  • Age(yrs.): 55
  • otologic_dx:

    Temporal bone, normal, bilateral

  • Title: Oval & round windows, R-652 (labelled)
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 996
  • Comments: normal vertical section with oval and round windows
  • Gender: Male
  • Age(yrs.): 42
  • otologic_dx:

    Clinical:

    1. Sensorineural hearing loss, moderate, bilateral, sequel of pneumococcal meningitis
    Histopathologic:
    1. Loss of spiral ganglion cells, presumed secondary to cochlear neuritis from bacterial
    meningitis, bilateral.
    2. Atrophy of organ of Corti

  • Title: Vertical Section, L 312
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • Title: Incus, R-151
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 992
  • Comments: resorption of incus without stapedectomy
  • Gender: Female
  • Age(yrs.): 95
  • otologic_dx:

    Clinical Diagnoses

    1. Otosclerosis, bilateral

    2. Profound hearing loss, left, status post total stapedectomy with polyethylene strut

    3. Mixed hearing loss, right, associated with otosclerosis

    Histologic Diagnoses

    1. Otosclerosis, clinical, bilateral

    2. In

  • Title: Incus,R-151
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 992
  • Comments: resorption of incus without stapedectomy
  • Gender: Female
  • Age(yrs.): 95
  • otologic_dx:

    Clinical Diagnoses

    1. Otosclerosis, bilateral

    2. Profound hearing loss, left, status post total stapedectomy with polyethylene strut

    3. Mixed hearing loss, right, associated with otosclerosis

    Histologic Diagnoses

    1. Otosclerosis, clinical, bilateral

    2. In

  • Title: Malleus and Incus, L-71
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 998
  • Comments: Idiopathic bone resorption of malleus head
  • Gender: Female
  • Age(yrs.): 91
  • otologic_dx:

    Clinical:

    Progressive hearing loss, bilateral, presumed sensorineural and of genetic etiology

    Histological:

    1. Mild cochlear degeneration (outer hair cell loss in basal turn, mild patchy
    strial atrophy, mild basal spiral ganglion cell loss, spiral ligamen

  • Title: Malleus and Incus, L-71
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 998
  • Comments: Idiopathic bone resorption of malleus head
  • Gender: Female
  • Age(yrs.): 91
  • otologic_dx:

    Clinical:

    Progressive hearing loss, bilateral, presumed sensorineural and of genetic etiology

    Histological:

    1. Mild cochlear degeneration (outer hair cell loss in basal turn, mild patchy
    strial atrophy, mild basal spiral ganglion cell loss, spiral ligamen

  • Title: Sinus tympani, R-291
  • Chapter: Anatomy
  • Chapter section: Middle Ear - Tympanic Membrane, Muscles, Ossicles
  • TB Case Number: 1012
  • Comments: deep sinus tympani
  • Gender: Female
  • Age(yrs.): 86
  • Title: Tympanomastoid septum, R-290
  • Chapter: Anatomy
  • Chapter section: Mastoid and Pneumatization
  • TB Case Number: 616
  • Comments: tympanomastoid septum
  • Gender: Male
  • Age(yrs.): 66
  • otologic_dx:

    1. Bilateral Meniere’s disease

    2. Malleus fixation

    3. Wide internal auditory canal, left ear, probably anatomical variants

  • Title: Anterior epitympanic recess, L-61
  • Chapter: Anatomy
  • Chapter section: Mastoid and Pneumatization
  • TB Case Number: 772
  • Comments: anterior epitympanic recess
  • Gender: Male
  • Age(yrs.): 75
  • otologic_dx:

    1. Presbycusis, sensorineural and strial (mixed), severe, bilateral

    2. Osseous obliteration, posterior semicircular canals, perilymphatic spaces, bilateral

  • Title: L31 apical pnuematization
  • Chapter: Anatomy
  • Chapter section: Mastoid and Pneumatization
  • TB Case Number: 198
  • Gender: Female
  • Age(yrs.): 68
  • otologic_dx:

    1. Otosclerosis, clinical, malignant, bilateral

    2. Stapes fixation, otosclerosis, bilateral

    3. Organ of Corti, atrophy, malignant otosclerosis, bilateral, more severe on left

    4. Retrograde neuronal degeneration, bilateral, greatest in basal turns

    5. Masto

  • Title: Pneumatization of petrous apex, L-201
  • Chapter: Anatomy
  • Chapter section: Mastoid and Pneumatization
  • TB Case Number: 998
  • Comments: Pneumatization of petrous apex
  • Gender: Female
  • Age(yrs.): 91
  • otologic_dx:

    Clinical:

    Progressive hearing loss, bilateral, presumed sensorineural and of genetic etiology

    Histological:

    1. Mild cochlear degeneration (outer hair cell loss in basal turn, mild patchy
    strial atrophy, mild basal spiral ganglion cell loss, spiral ligamen