Acoustic neuroma staging: Difference between revisions
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*'''WIGAND''' has defined a trinomial classification: | *'''WIGAND''' has defined a trinomial classification: | ||
'''SAMII''' defines six tumour classes: | '''SAMII''' defines six tumour classes: | ||
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! | ! style="background: #4479BA; width: 200px;" | {{fontcolor|#FFF|Grade}} | ||
! | ! style="background: #4479BA; width: 400px;" | {{fontcolor|#FFF|Description}} | ||
|- | |- | ||
|I | | style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" align="center"| | ||
|No tinnitus | I | ||
| style="padding: 10px 10px; background: #F5F5F5; | No tinnitus | |||
|- | |- | ||
|II | | style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" align="center"| | ||
|Intermittent or mild tinnitus, can only be heard when the ambient noise is low | II | ||
| style="padding: 10px 10px; background: #F5F5F5; | Intermittent or mild tinnitus, can only be heard when the ambient noise is low | |||
|- | |- | ||
|III | | style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" align="center"| | ||
|Persistent or moderate tinnitus, can be heard every day | III | ||
| style="padding: 10px 10px; background: #F5F5F5; | Persistent or moderate tinnitus, can be heard every day | |||
|- | |- | ||
|IV | | style="padding: 5px 5px; background: #DCDCDC; font-weight: bold" align="center" | | ||
|Persistent and severe tinnitus, interfere with work and | IV | ||
| style="padding: 10px 10px; background: #F5F5F5; | Persistent and severe tinnitus, interfere with work and sleep | |||
|- | |- | ||
|} | |} | ||
{| style="border: 0px; font-size: 90%; margin: 3px; width: 600px" align="center" | {| style="border: 0px; font-size: 90%; margin: 3px; width: 600px" align="center" | ||
| valign="top" | | | valign="top" | | ||
Revision as of 19:52, 22 May 2018
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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 staging On the Web | |
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American Roentgen Ray Society Images of Acoustic neuroma staging | |
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Risk calculators and risk factors for Acoustic neuroma staging | |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Acoustic neuroma may be classified into three subtypes based on tumor size and into six subtypes based on tumor location.
Staging
Acoustic neuroma may be classified into three subtypes based on tumor size and into six subtypes based on tumor location.
- WIGAND has defined a trinomial classification:
SAMII defines six tumour classes:
| Grade | Description |
|---|---|
|
I |
No tinnitus |
|
II |
Intermittent or mild tinnitus, can only be heard when the ambient noise is low |
|
III |
Persistent or moderate tinnitus, can be heard every day |
|
IV |
Persistent and severe tinnitus, interfere with work and sleep |
| Stage | Tumor location |
|---|---|
|
Clear intrameatal tumour (in the bony ear canal) |
|
Intra and extrameatal tumour part (within and outside of the bony ear canal) |
|
Tumor fills the cerebellopontine cistern (between the cerebellum and brainstem) |
|
Tumor reaches the brainstem |
|
Tumor compromises the brainstem |
|
Tumor compromises the brainstem and displaces the four ventricles (cerebral ventricle) |