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Surgical approaches for superior semicircular canal dehiscence repair^{^a}
Approaches Advantages Disadvantages Surgery Technique Approach Most Suitable for
Middle Cranial Fossa Direct visualization of dehiscence More invasive requiring craniotomy and limited temporal lobe retraction All kinds of SSC repair: canal resurfacing, plugging, capping
Transmastoid Less invasive, standard mastoidectomy approach No direct visualization of dehiscence Canal plugging and modified resurfacing (of SSC sidewalls and not directly over dehiscence)
Transcanal Outpatient setting Less efficacious in long-term Reinforcement or occlusion of round window
↵a Modified with permission from Mau et al,¹⁶ Ward et al,¹⁷ and Succar et al.¹⁹

Approaches	Advantages	Disadvantages	Surgery Technique Approach Most Suitable for
Middle Cranial Fossa	Direct visualization of dehiscence	More invasive requiring craniotomy and limited temporal lobe retraction	All kinds of SSC repair: canal resurfacing, plugging, capping
Transmastoid	Less invasive, standard mastoidectomy approach	No direct visualization of dehiscence	Canal plugging and modified resurfacing (of SSC sidewalls and not directly over dehiscence)
Transcanal	Outpatient setting	Less efficacious in long-term	Reinforcement or occlusion of round window