Table 1 The prevalence of each recorded incidental finding in 753 MRI scans
From: Prevalence of incidentally discovered findings on brain MRI in adult Egyptian population
| Abnormality | No. (%) |
|---|---|
| Vascular malformations | |
| - Aneurysm | 6 (0.8 %) |
| - Cavernoma | 9 (1.19 %) |
| - Developmental venous anomaly | 3 (0.4 %) |
| - Vertebro-basilar dolicoectasia | 3 (0.4 %) |
| Benign tumors | |
| - Meningioma | 19 (2.5 %) |
| - Shwannoma | 2 (0.26 %) |
| - Intracranial lipoma | 7 (0.92 %) |
| - Pituitary macro-adenoma | 9 (1.2 %) |
| Malignant tumors | |
| - Metastasis | 1 (0.13 %) |
| - DENT | 1 (0.13 %) |
| Intracranial cysts | |
| - Arachnoid cyst | 11 (1.46 %) |
| - Epidermoid cyst | 3 (0.4 %) |
| - Dermoid cyst | 1 (0.13 %) |
| - Choroidal fissure cyst | 2 (0.26 %) |
| - Choroid plexus cyst | 2 (0.26 %) |
| Other findings | |
| - Chiari I malformation | 6 (0.8 %) |
| - Corpus callosum agenesis | 3 (0.4 %) |
| - Dandy walker variant | 2 (0.26 %) |
| - Subdural collection | 5 (0.66 %) |