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What is Mode of trauma in petrous bone fracture and explain in detail?
(Longitudinal) (97-Dhingra 4th) (698- Bailey & Love 25th)* The otic capsule is the hardest bone in the body. If trauma to the head is severe. Temporal bone fractures may occur. These tends to be either longitudinal (80%) or Transverse (20%)* Transverse fracture usually involve the labyrinth and lead to a sensorineural hearing loss that is permanent* Fracture of temporal bone may be longitudinal, transverse or mixed* Facial palsy is seen in more often in transverse fracture (50%)