신경외과/Trauma
Temporal bone fracture (측두부 골절)
혀ni
2021. 1. 6. 07:56
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| longitudinal | transverse | |
| incidence | 80% | 20% |
| Direction to petrous bone | parallel | perpendicular |
| impact | Temporal or parietal | occipitomastoid |
| Otic capsule | sparing | disrupting |
| Ear bleeding or otorrhea | common | Less common |
| 7th nerve | Facial paralysis(20%) delayed onset, good prognosis | Facial paralysis(50%) delayed onset, poor prognosis |
| 8th nerve | Conductive hearing loss | Sensory nerve hearing loss |
| hemotynpanum | frequent | Less common |
|
Intensity of force |
Lesser | greater |
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