Variform Anomalies External and Middle Ear / Ossicular Anomalies

Temporal Bone Image Library

  • Title: Malleus fixation, L-11
  • Chapter: Developmental Defects
  • Chapter section: Variform Anomalies External and Middle Ear / Ossicular Anomalies
  • TB Case Number: 282
  • Comments: Malleus fixation
  • Gender: Female
  • Age(yrs.): 89
  • otologic_dx:

    1. Sensorineural hearing loss, severe, flat audiogram, symmetrical, bilateral

    2. Presbycusis, indeterminate type

    3. Malleus, fixation, epitympanum, congenital anomaly, presumptive, left

    4. Exostoses, small, external auditory canals, bilateral

    5. Cupulolit

  • Title: R161 Incus Deformity
  • Chapter: Developmental Defects
  • Chapter section: Variform Anomalies External and Middle Ear / Ossicular Anomalies
  • TB Case Number: 121
  • Gender: Female
  • Age(yrs.): 64
  • otologic_dx:

    1. Jakob-Creutzfeldt disease

    2. Membranous labyrinth, normal, bilateral

    3. Bony labyrinth, normal, bilateral

    4. Malleus fixation, epitympanum, osseous, left

    5. Incus fixation, mild, right

    6. Artifact, postmortem autolysis, bilateral

  • Title: L61 Incus Deformity
  • Chapter: Developmental Defects
  • Chapter section: Variform Anomalies External and Middle Ear / Ossicular Anomalies
  • TB Case Number: 407
  • Gender: Male
  • Age(yrs.): 19
  • otologic_dx:

    1. Tympanoplasty, myringoplasty, with obliteration of tympanomeatal angles, bilateral

    2. Tympanic membrane, perforation, with migration of mucous membrane into the external auditory canal, right

    3. Stapes, fixation, congenital, bilateral

    4. Stapes, fracture

  • Title: R111 Congeital Incus Ankylosis
  • Chapter: Developmental Defects
  • Chapter section: Variform Anomalies External and Middle Ear / Ossicular Anomalies
  • TB Case Number: 904
  • Gender: Male
  • Age(yrs.): 6
  • otologic_dx:

    1. Otitis media, active, chronic

    2. Mastoiditis, active, chronic

    3. Effusion, middle ear and mastoid, chronic

    4. Incus, anomaly, ankylosis

    5. Anomaly, cochlea, mild, enlarged Scala tympani in basal and middle turns

    6. Saccule, endolymphatic distension

  • Title: R111 Congenital Incus Ankylosis
  • Chapter: Developmental Defects
  • Chapter section: Variform Anomalies External and Middle Ear / Ossicular Anomalies
  • TB Case Number: 904
  • Gender: Male
  • Age(yrs.): 6
  • otologic_dx:

    1. Otitis media, active, chronic

    2. Mastoiditis, active, chronic

    3. Effusion, middle ear and mastoid, chronic

    4. Incus, anomaly, ankylosis

    5. Anomaly, cochlea, mild, enlarged Scala tympani in basal and middle turns

    6. Saccule, endolymphatic distension