Frequency of incidental findings in 21q11DS
| Finding | Count | Prevalence |
|---|---|---|
| Pineal cyst | 2 | 2.58% |
| Other cysts | 0 | 0% |
| Cavum septum pellucidum | 11 | 19.0% |
| Ventricular abnormalities | 5 | 8.62% |
| Other CSF abnormalities | 1 | 1.72% |
| Vascular abnormalities | 5 | 8.62% |
| Cerebellar abnormalities | 0 | 0% |
| White matter abnormalities | 6 | 10.34% |
| Subcortical | 2 | 3.45% |
| All subjects with incidental findings | 27 | 46.6% |