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Table 1: Indications for CT in the 52 patients with small VAs
Indication No. of Patients
Cochlear implant follow-up or preop planning 10
Cholesteatoma 8
Hearing loss 6
Superior semicircular canal dehiscence 5
Tinnitus 3
Dizziness 3
Infection 3
Patulous eustachian tube 2
Otosclerosis 2
Aural fullness 2
Otorrhea 2
Ossicular anomaly 1
Osteoradionecrosis 1
Tympanic membrane perforation 1
Disequilibrium 1
Vestibular schwannoma 1
Ménière disease 1
Note:—Preop indicates preoperative.

Indication	No. of Patients
Cochlear implant follow-up or preop planning	10
Cholesteatoma	8
Hearing loss	6
Superior semicircular canal dehiscence	5
Tinnitus	3
Dizziness	3
Infection	3
Patulous eustachian tube	2
Otosclerosis	2
Aural fullness	2
Otorrhea	2
Ossicular anomaly	1
Osteoradionecrosis	1
Tympanic membrane perforation	1
Disequilibrium	1
Vestibular schwannoma	1
Ménière disease	1