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J Radiol. 2006 Nov;87(11 Pt 2):1743-55.

[Imaging in adult chronic otitis].

[Article in French]

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Service d'Imagerie M├ędicale, Fondation Ophtalmologique Adolphe de Rothschild, 25-29, rue Manin, 75940 Paris Cedex 19, France.


Chronic otitis media (COM) can be divided into two subtypes: COM with cholesteatoma (including precholesteatomatous states) is an aggressive form of otitis. Surgical treatment is mandatory because of the risk for labyrinthine or cerebromeningeal complications. CT is very important in the preoperative work-up (extension of cholesteatoma, anatomic variants). In patients who have undergone middle ear surgery, CT and presently MRI play an increasing role in the detection of recurrent or relapsing cholesteatoma. COM without cholesteatoma does not have an osteolytic potential, but may leave auditive sequelae that in selected cases may warrant surgical treatment to improve hearing. CT is useful in the etiological work-up of patients with severe hypoacusis. CT also plays an important role in cases of surgical failure, to detect a dislocation of the ossiculoplasty or impairment of the middle ear caused by fluid effusion. The objective of this paper is to specify the indications, the results and the limits of pre- and postoperative imaging in COM.

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