Presentation
Presented with right sided conductive hearing loss. Left ear which is shown here was normal.
Patient Data
Age: 13 years
Gender: Female
From the case:
Normal Eustachian tube
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Oblique axial CT image through the temporal bone shows normal longitudinal course of the left Eustachian tube.
Case Discussion
The Eustachian tube connects the tympanic cavity with the nasopharynx and has a bony lateral one third and cartilaginous medial two thirds.