Figure 18: Case report 15. 1. Female patient with choanal atresia and combined hearing disorders (CHARGE syndrome). MRI: transverse MIP reconstruction of the CISS 3D: incomplete turns of the right cochlea compared to the left side (long arrows). On both sides only one rudimentary semicircular canal (short arrows).
2. Nerves of the inner meatus. Regular findings (left): facial nerve (short arrow), cochlear nerve (arrowhead), superior and inferior vestibular nerve (long arrows). Patient with choanal atresia and combined hearing loss (right): The vestibular nerve (long arrow) is abnormally thin and does not show a clear division into a superior and inferior part.