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Comparison Of The Frequency Of Ectopia Of Cerebellar Tonsils According To Location Of Headache.
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|---|---|---|---|---|---|
| EXTENT | LOCATION | ||||
|
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| FULL HEAD | OCCIPUT | FRONTAL | OTHER | ||
|
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| Ectopia | <3 mm | 1072 (48.2%) | 274 (12.3%) | 690 (31.0%) | 190 (8.5%) |
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| 3–5 mm | 17 (37.0%) | 18 (39.1%) | 8 (17.4%) | 3 (6.5%) | |
|
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| >5 mm | 2 (6.1%) | 29 (87.9%) | 1 (3.0%) | 1 (3.0%) | |
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| |||||
| Total | 1091 (47.3%) | 321 (13.9%) | 699 (30.3%) | 194 (8.4%) | |
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