Acoustic neuroma differential diagnosis: Difference between revisions
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does not extend into the IAC | does not extend into the IAC | ||
usually younger patients | usually younger patients | ||
==References== | ==References== | ||
{{Reflist|2}} | {{Reflist|2}} | ||
Revision as of 16:29, 16 September 2015
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Acoustic neuroma Microchapters | |
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Diagnosis | |
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Treatment | |
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Case Studies | |
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Acoustic neuroma differential diagnosis On the Web | |
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American Roentgen Ray Society Images of Acoustic neuroma differential diagnosis | |
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Risk calculators and risk factors for Acoustic neuroma differential diagnosis | |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [2]
Overview
Differential Diagnosis
The most frequent differential to be considered are:
| Disease | Differentiating Symptoms/Signs | Differentiating Tests |
|---|---|---|
| Normal (person who does not have hemophilia) | 50% to 100% | 50% to 100% |
| Mild hemophilia | Greater than 5% but less than 50% | 50% to 100% |
| Moderate hemophilia | 1% to 5% | 50% to 100% |
| Severe hemophilia | Less than 1% | 50% to 100% |
- Meningioma
usually more homogeneous in appearance: significant signal heterogeneity with cystic or haemorrhagic areas is more typical of vestibular schwannoma than meningiomas (although cystic meningiomas do occur) meningiomas tend to have a broad dural base usually lack trumpet IAM sign calcification more common epidermoid no enhancing component very high signal on DWI does not widen the IAC metastasis uncommon usually does not remodel the IAC as metastases are usually present for only a short time ependymoma centered on the fourth ventricle does not extend into the IAC usually younger patients