Fig. 18From: External and middle ear diseases: radiological diagnosis based on clinical signs and symptomsChronic middle ear inflammation. a Coronal CT in bone window shows opacification around oval window niche, encasing stapes superstructure (arrow). b Soft tissue around stapes crura is visible on axial slice at the level of oval window. This represents fibrous tissue, which develops in the course in chronic inflammation and may cause conductive hearing lossBack to article page