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Findings on Imaging Studies Ordered for Macrocephaly. Many studies had more than one finding (n = 86)
| Finding | Count |
|---|---|
| Ventriculomegaly | 48 |
| Enlargement of subarachnoid spaces | 42 |
| Subdural hygroma / hematoma | 24 |
| Developmental anomaly | 16 |
| Cyst | 15 |
| Cerebellar ectopia/Chiari | 10 |
| Intracerebral/intraventricular hemorrhage | 6 |
| Skull abnormalities | 5 |
| Tumor | 4 |
| Calcification | 3 |
| White matter abnormality | 3 |
| Vein of Galen aneurysm | 2 |
| Enlarged perivascular spaces | 1 |
