Article Figures & Data
Tables
Rating of Techniques: Clinical condition—vertigo and hearing loss*
MRI Head and Internal Auditory Canal without and with Contrast MRI Head and Internal Auditory Canal without Contrast CT Temporal Bone without Contrast CT Head without and with Contrast MRA Head with or without Contrast CTA Head Sensorineural hearing loss, acute and intermittent vertigo 8 7 6† 3 N/A N/A Sensorineural hearing loss, no vertigo 8 7 5 4 N/A N/A Conductive hearing loss, rule out petrous bone abnormality 3 3‡ 8 3 N/A N/A Total deafness, cochlear implant candidate, surgical planning 5 5 9 3 N/A N/A Fluctuating hearing loss, history of meningitis or to rule out congenital anomaly 7 7 8 4 N/A N/A Episodic vertigo, new onset (hours to days) 7 6 4 5 6 5 Vertigo, no hearing loss, normal findings on neurologic examination 8 7 5 4 N/A N/A -
Note:—MRI indicates MR imaging; MRA, MR angiography; CTA, CT angiography; N/A, not rated.
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* Appropriateness criteria scale from 1 to 9: 1 indicates least appropriate; 9, most appropriate.
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† For possible cholesteatoma with labyrinthine fistula.
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‡ MR imaging is superior to CT for the detection of dural invasion and extradural extension.
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