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Superior Canal Dehiscence

Superior Canal Dehiscence is when the bony cap over the superior semicircular canal has eroded away and the tough covering (dura) that protects the temporal lobe can make contact with the inner membranes of this canal causing disequilibrium.

Condition type link name
superior-canal-dehiscence
Page Condition Type
Page Condition - Overview
Overview
Page Condition - Etiology
Etiology
Page Condition - Complications
Complications
Page Condition - Diagnosis
Diagnosis
Page Condition - Treatment
Treatment
Page Condition - Outcomes
Outcomes
Page Condition - Glossary
Glossary

Complications for Superior Canal Dehiscence

Several different types of symptoms are attributable to this condition:

  • Conductive hearing loss of undetermined cause.
  • Disequilibrium or vertigo associated with straining, sneezing, or coughing.
  • Loud noises causing disequilibrium

About Dr. Prasad

Dr. Sanjay Prasad MD FACS is a board certified physician and surgeon with over thirty-two years of sub-specialty experience in Otology, Neurotology, advanced head and neck oncologic surgery, and cranial base surgery. He is chief surgeon and founder of the private practice, Metropolitan NeuroEar Group, located in the metropolitan Washington D.C. area.