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 %) |