WHAT IS SUPERIOR SEMI-CIRCULAR CANAL DEHISCENCE SYMDROME?
Superior Semi-circular Canal Dehiscence Syndrome (SSCD) is a very rare medical condition where a thinning or complete absence of a portion of the temporal bone overlying the superior semicircular canal of the inner ear causes hypersensitivity to sound and balance disorders. One unique characteristic of SSCD is that audiologically, the hearing loss appears to be conductive, though it is actually sensorineural. Computed Tomographic scanning (CT) and Magnetic Resonance Imaging (MRI) may be used to diagnose SSCD, and distinguish it from more common diseases with similar symptoms such as Meniere’s disease. WHAT ARE THE SYMPTOMS OF SUPERIOR SEMI-CIRCULAR CANAL DEHISCENCE SYNDROME? Symptoms of SSCD include dizziness and balance problems which increases with activity and which is relieved by rest. A cardinal symptom of this disorder is vertigo produced with a loud sound. Other symptoms may include hearing loss, tinnitus and a fullness of the ear. The symptoms of SSCD can get worse with extende