Intraosseous schwannoma of the petrous apex is a rare entity, and thus may be neglected when considering the differential diagnosis of a newly discovered petrous apex lesion. While diagnosis of intraosseous schwannoma has traditionally been made by histological examination after surgery, an awareness of its appearance on CT (expansile, isodense, and minimally erosive) and MRI (T1 W isointense, T2W hypo or hyperintense, and homogenously enhancing) makes it possible to suggest this diagnosis preoperatively. |  |
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From the manuscript Intraosseous Schwannoma of the Petrous Apex  Abstract | |
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| Keyword search: 1. Magnetic Resonance Imaging 2. MRI 3. Computed Tomography 4. petrous apex 5. temporal bone 6. intraosseous 7. schwannoma This article belongs to the Neuro section. | |
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