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Virtual Patients - Otology - Otorrhea
The patient undergoes a pre-operative CT scan with the report shown below.
CT head and temporal bones
Slight motion artifact.
Intracranial appearances are normal.
The right middle ear cleft and mastoid air cells are normal with an intact ossicular chain.
There is hypodense homogeneous partial opacification of the left middle cleft ear and mastoid air cells. This is associated with significant erosion of the ossicular chain but no dehiscence of the bony scutum, tegmen and no evidence of erosion into the middle cranial fossa.
Findings are consistent with a left-sided cholesteatoma with destruction of the ossicular chain.
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