Otology Q14

A 29-year-old man presents to A&E following an assault. He was hit across the head with an open hand. There is no suspicion of skull base fracture. On examination there is a small laceration to the pinna in addition to a ragged, fresh tympanic membrane perforation.

What percentage of traumatic tympanic membrane perforations heal within 8 weeks?

  • A) 10%
  • B) 30%
  • C) 50%
  • D) 70%
  • E) 90%