Rating scores | ||
---|---|---|
9 (Strong agreement) | 8 (Agreement) | 7 (Agreement) |
1. Check patient’s ID | 1. Sequential reading from extra-axial to intra-axial | 1. Identify skull fracture |
2. Mass effect, mid-line shift, or herniation | 2. Identify the symmetry of the bilateral hemispheres | 2. Identify skull destruction |
3. Low density (edematous lesion and recent infarcts) | 3. Epidural and subdural space | 3. Identify skull mass lesion or osteoblastic lesion |
4. Lateral ventricles | 4. Interhemispheric fissure | |
5. Anterior and posterior horns of lateral ventricles | 5. Sylvian fissure | |
6. ACA territory | 6. Temporal horns of lateral ventricles | |
7. PCA territory | 7. Fourth ventricle | |
8. MCA territory, basal ganglia and thalamus | 8. Cerebellopontine angle | |
9. Pons | 9. Sella lesion | |
10. Hematoma density | 10. Hyperdense MCA sign | |
11. Physiological calcification density | 11. Hyperdense BA sign | |
12. Very low density (CSF and old lesions) | 12. Veins: Dense sinus signs of CVT | |
13. Identify mass-like lesions | 13. Orbital cavity (ophthalmic vein enlargement, orbital mass) | |
14. MCA-ACA border zone | ||
15. MCA-PCA border zone | ||
16. Temporal lobes | ||
17. Mid-brain | ||
18. Medulla | ||
19. Symmetry, hyperdensity, and hypodensity of the bilateral cerebellar hemispheres. | ||
20. Hematoma with blended sign, whirl sign, spot sign, or black hole sign | ||
21. Low density mixed with hyper-density (hemorrhagic infarct) | ||
22. ABBBC (Air-Blood-Bone-Brain-CSF) mnemonic |