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Table 1 The preoperative evaluation of congenital aural atresia based on high-resolution CT findings, as proposed by Jahrsdorfer et al. [9]

From: External and middle ear diseases: radiological diagnosis based on clinical signs and symptoms

Structure Points
Stapes present 2
Oval window open 1
Middle ear space 1
Facial nerve 1
Malleus/incus complex 1
Mastoid pneumatised 1
Incus-stapes connection 1
Round window 1
Appearance external ear 1