mastoidectomy
Mastoid Abscess Mastoidectomy
The underlying cause of this patient's postauricular mastoid abscess is revealed as the mastoidectomy proceeds. There was a large cholesteatoma eroding into the mastoid has revealed by this white collection...
Mastoid Abscess Post Auricular Incision
This patient who presented with a postauricular swelling from a mastoid abscess is undergoing a mastoidectomy. The post auricular incision has been done and the fistulous track through the mastoid bone...
![Automastoidectomy secondary to Keratosis Obturans [CT Scan]](https://medtube.net/images/min/b52d73b17355a483ddbf96bb9cf7e93a/149/112/1 "Automastoidectomy secondary to Keratosis Obturans [CT Scan]")
Automastoidectomy secondary to Keratosis Obturans...
This is the CT scan of a patient with keratosis obturans in which pressure from the accumulating keratin squames has caused erosion into the mastoid bone.
Mastoid Cavity
The widened conchal bowl is the result of an old fashioned "canal wall down" mastoidectomy. The wide opening is important for both ventilation of the mastoid cavity and access to it for cleansing...
Interior of Right Mastoid Cavity
This is a traditional "canal wall down" mastoid cavity of the right ear. The tympanic membrane can be seen in the 3 o'clock position. The remnant of the inferior portion of the posterior external...
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