Temporal Bone Fracture

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FACTS

Temporal
Longitudinal
Occurrence
less common (20-30%)
most common (70-80%)
otic capsule involvement
more likely
less likely
deficits
facial palsy, SNHL more common
Anatomy review: Otic-capsule review
  • a cavity located deep in petrous temporal bone, encloses and protects bony labyrinth (involving cochlea, vestibule, and semicircular canals)
notion image
 

HPI

universal trauma history

PHYSICAL EXAM

universal neuro exam
  • emphasis on hearing
  • emphasis on facial symmetry
  • evaluate for CSF otorrhea / rhinorrhea

IMAGING

CT temporal bone (thin cuts) should primarily evaluate for involvement of otic capsule
notion image

A/P
ENT consult for primary management
 
Long-term complications:
  • perilymphatic fistula