CASE HISTORY / CLINIC:
Patient with explosion trauma resulting from explosion of bangers close to the right ear on new year's eve.
Ear microscopy reveals perforation of the eardrum, partialy clear, partialy bloody discharge from the right ear. Subjective feeling of considerable hearing impairment and even hearing loss on the right ear, spontaneous nystagmus to the left.


FINDINGS:
The tympanum of the right petrous bone is demonstrated with a partially hypodense opacity. Demonstration of air pockets around the vestibule and in the cochlear windings as an indirect evidence of rupture of the oval window.
The air pockets in the vestibule, behind the oval window and in the cochlea are better seen in the cut-out enlargement.

DIAGNOSIS:
Rupture of the oval window