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.
In rare cases of keratosis obturans the continuing accumulation of keratin squames enlarges the plug in the external auditory canal and exerts pressure on the surrounding bone which over time may become...
In rare cases of keratosis obturans the continuing accumulation of keratin squames enlarges the plug in the external auditory canal and exerts pressure on the surrounding bone which over time may become...
Keratosis obturans is a condition which is caused by a failure in the normal self cleansing mechanism of the external ear canal. In this condition keratin outer layer of the epidermal lining of the ear...
Keratosis obturans is a condition which is caused by a failure in the normal self cleansing mechanism of the external ear canal. In this condition keratin outer layer of the epidermal lining of the ear...
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![Automastoidectomy secondary to Keratosis Obturans [CT Scan]](https://medtube.net/images/min/b52d73b17355a483ddbf96bb9cf7e93a/149/112/1 "Automastoidectomy secondary to Keratosis Obturans [CT Scan]")
![Keratosis Obturans [Keratin Plug]](https://medtube.net/images/min/122de7d3d03e40278feebfe22661bed0/149/112/1 "Keratosis Obturans [Keratin Plug]")