The most common surgical complications of middle ear surgery are lesions to the facial nerve and meningoencephalocele. The complications of stapes surgery may concern the middle ear, the inner ear or the oval window. All of these complications may be prevented by a precise and oriented analysis of the preoperative imaging.

1) Imaging of the complications of middle ear surgery and their clinical setting · Facial nerve lesions A major complication of middle ear surgery, and especially cholesteatoma surgery, is a lesion to the facial nerve, especially to its tympanic and mastoid portions, leading to facial nerve palsy. · Meningoencephalocele Meningoencephalocele is a brain herniation in the middle ear, associated with cerebrospinal fluid leakage, commonly developing on a tegmen breach. Patients are at high risk of...

The most common surgical complications of middle ear surgery, and especially cholesteatoma surgery, are lesions to the facial nerve and meningoencephalocele. The complications of stapes surgery may concern the middle ear with displacement of the prosthesis or erosion of the long process of the incus. In the region of the oval window, junction between middle and inner ear, stapes surgery may be complicated with perilymph fistula on a venous graft leakage, hemorrhage after a wound to a...

Ms Aïna Venkatasamy, Radiology resident, Strasbourg University Hospital, Strasbourg - FRANCE aina.vnkt@gmail.com Professor Francis Veillon, Professor of Radiology, Departement of Radiology 1, Hôpital de Hautepierre, Strasbourg University Hospital, Strasbourg - FRANCE francis.veillon@chru-strasbourg.fr

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