TABLE 2:

Clinical and imaging data of patients with acquired hearing loss

Patient	Age (y)/ Sex	Significant MH	History (R/L)	Audiology (R/L)	MR Findings
A1	63 /M	Hypertension	HL for 2 mo/HL for 3.5 y	Moderate SNHL/moderate–severe SNHL	R NAD/abnormal L modiolar signal, small L VIII n
A2	68 /M	Negative	HL for 2 y/3 mo progressive HL	Moderate–severe SNHL/mild SNHL	R small modolus, small R VIII n/L NAD
A3	14 /F	Meningitis at age 6 mo	Bilateral HL post-meningitis	No response bilaterally	Bilateral labyrinthitis ossificans, no R VIII n/small L VIII n
A4	7 /F	Negative	HL of unknown duration/NAD	Severe SNHL/NAD	R mural labyrinthitis ossificans, small R VIII n/L NAD
A5	45 /M	Negative	HL at age 21 y/progressive HL since age 21 y	Moderate–severe SNHL/severe high tone SNHL	No R VIII n, small R vestibular nerves/L NAD
A6	6 /M	Negative	NAD/HL since age 3 y	NAD/severe high tone SNHL	R NAD/deficient L modiolus, no L VIII n
A7	78 /M	Negative	No loss noted/HL for 3–4 y	Mild–moderate SNHL/moderate–severe SNHL	R NAD/large L schwannoma, small L VIII n
A8	40 /F	Negative	HL for 2 y/NAD	Moderate SNHL/NAD	R 3.5-cm schwannoma, very small R VIII n/L NAD
A9	9 /M	Negative	NAD/HL since age 7 y, stable	NAD/mild SNHL	R NAD/L small cochlea, modiolar deficiency, small L VIII n
A10	60 /M	MVA at age 10 y	HL for 3 mo/HL after MVA	Severe–profound SNHL/no response	R NAD/L deficient modiolus, small L VIII n

Note.—MH indicates medical history; MVA, motor vehicle accident; R, right; L, left; HL, hearing loss; NAD, no abnormality detected; SNHL, sensorineural hearing loss; VIII n, cochlear nerve.