Surgically correctable causes of giddiness include Superior SCC Dehiscence (congenital), Lateral SCC Dehiscence (cholesteatoma/ Iatrogenic), etc.
All inner ear diseases – accurate diagnosis is more critical than the management.
Only HRCT is useful and Plain CT Brain will not pick it up. Caloric responses may be variable.
Case of a 67yr.old with recurrent vertigo lasting 2-3hrs for 5 months, triggered by bending down and getting up.
Our patient had a Transmastoid exposure of labyrinth, thinning of tegmen antri, followed by exposure of Superior SCC Arch under GA. Once dehiscence was exposed it was plugged with periosteum.