hypoplastische Knocheninsel - Bogengang

Neuroimaging

assessment in Down syndrome: a pictorial review. Temporal bone CT (a) and MRI (axial T2/3D) (b) from a 2-year-old Down syndrome patient at the level of the lateral semi-circular canal, revealing left hypoplastic bone island (less than 3 mm in greatest diameter). Axial temporal bone CT (c) at the same level of a normal 2-year-old boy for comparison