Stenose des äußeren Gehörgangs

Neuroimaging

assessment in Down syndrome: a pictorial review. Coronal (a) and axial (b) reconstruction of a temporal bone CT of a 2-year-old boy with Down syndrome, at the level of the mesotympanum, depicting a right stenotic external auditory canal (less than 4 mm in diameter as defined by Cole and Jahrsdoerfer, 2009). Axial reconstruction (c) of a temporal bone CT of a normal 2-year-old boy for comparison. Measurement is done in the bony component of the external auditory canal at the most stenotic point