Otoscopy :: THE EXTERNAL CANAL :: 7_5
 THE EXTERNAL CANAL  
Dessicated Blood Clot From a Bleeding Laceration of the External Canal

Dessicated Blood Clot From a Bleeding Laceration of the External Canal

Description : Any clot in the meatus should be carefully removed so that the deeper structures can be examined.

It is also much easier to remove a fresh, soft, jelly like clot before it turns into a stony, hard, black, tar like mass as seen here.

Most lacerations of the external ear canal heal completely without visible scarring.

In a few cases a keratin foreign body granuloma develops, due to the implantation of keratin squames into the dermis.

In these cases exuberant granulation tissue forms, usually within 1 to 2 weeks after the injury.

Removal of the granulation tissue and the implanted foreign material (superficial corneocytes) is usually required to allow healing.

The external auditory canal is totally blocked by a stony, hard, tar like plug of desiccated clot.

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