Ascending auditory pathway (annotated MRI)

Case contributed by Dr Elmira Hassanzadeh

Annotated ascending auditory pathway anatomy on T1 and T2W MRI of a patient with normal imaging findings.

Case Discussion

Ascending auditory pathway (in order from 1 to 7)1-3:

  1. Cochlear nerve at internal auditory canal
  2. Cochlear nucleus at pontomedullary junction/upper medulla
  3. Superior olivary complex at lower pons
  4. Lateral lemniscus at pons (named white matter tract)
  5. Inferior colliculus at tectum
  6. Medial geniculate body at thalamus
  7. Primary auditory cortex (Brodmann areas 41 and 42) at superior temporal gyrus
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Case information

rID: 90163
Published: 11th Jun 2021
Last edited: 11th Jun 2021
Inclusion in quiz mode: Included

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