Comparison of radiologically and histologically determined thickness of bone overlying the superior semicircular canal in sixty-six cadaveric specimens: Impact on the diagnosis of Minor's Syndrome

Abstract

High-resolution CT data confirms the presence of superior semicircular canal dehiscence in 3% of specimens.

Analysis of inter-reporter measurements of dehiscence shows excellent correlation.

Radiological data under-estimates the bone thickness overlying the superior semicircular canal (SSC) and therefore over-estimates the incidence of dehiscence compared to histological data.

Radiological findings must be correlated with audiological data in order to diagnose Minor's Syndrome accurately.

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