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Otorrhoea (Aural/ ear discharge) definition, causes, ddx, types

Definition: Otorrhoea describes any discharge which comes out from the ear (from clear to purulent) through a prforation in the tympanic membrane or through a ventilation tube (surgically placed).
otorrhea-causes-types

Types and causes of Otorrhoea

A-Watery: Cerebrospinal otorrhoea, due to:
  • Trauma either fracture base of the skull or after stapedectomy. 
  • Tumours.
B-Serous: 
C-Mucopurulent:
D-Purulent:
E- Bloody:
1-Trauma: 

2-Bullous myringitis.
3-Tumors: 
  • Glomus. 
  • Malignant.
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Dr.Tamer Mobarak

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