Moyamoya disease: Difference between revisions
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(Created page with "<table> <tr> <th>Stage</th> <th>Finding</th> </tr> <tr> <td>1</td> <td>Stenosis of suprasellar ICA, usually bilateral</td> </tr> <tr> <td>2</td> <td>Development of moyamoya vessels at base of brain. ACA, MCA, & PCA dilated</td> </tr> <tr> <td>3</td> <td>Increasing ICA stenosis & prominence of moyamoya vessels (most cases diagnosed at this stage). Maximal basal moyamoya</td> </tr> <tr> <td>4</td> <td>Entire circle...") |
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Revision as of 00:38, 16 September 2023
| Stage | Finding |
|---|---|
| 1 | Stenosis of suprasellar ICA, usually bilateral |
| 2 | Development of moyamoya vessels at base of brain. ACA, MCA, & PCA dilated |
| 3 | Increasing ICA stenosis & prominence of moyamoya vessels (most cases diagnosed at this stage). Maximal basal moyamoya |
| 4 | Entire circle of Willis and PCAs occluded, extracranial collaterals start to appear, moyamoya vessels begin to diminish |
| 5 | Further progression of stage 4 with intensification of ECA collaterals & reduction of moyamoya associated vessels |
| 6 | Total occlusion of ICA & major cerebral arteries and complete absence of moyamoya vessels |