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.