Postoperative Complications in Otospongiosis: Usefulness of MR Imaging

Sensorineural hearing loss (SNHL) is a rare complication of stapes surgery that may arise for many reasons. Usually, the pathogenesis of SNHL can be established by clinical and CT examinations. The purpose of this study was to evaluate the utility of MR imaging when CT findings are normal or not con...

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Bibliographic Details
Published in:American journal of neuroradiology : AJNR 2001-06, Vol.22 (6), p.1171-1178
Main Authors: Rangheard, Anne-Sophie, Marsot-Dupuch, Kathlyn, Mark, Alexander S, Meyer, Bernard, Tubiana, Jean-Michel
Format: Article
Language:English
Subjects:
Adult
Aged
Biological and medical sciences
Diagnosis, Differential
Ear, Middle - pathology
Female
Head and Neck
Head and neck surgery. Maxillofacial surgery. Dental surgery. Orthodontics
Hearing Loss, Sensorineural - diagnosis
Hearing Loss, Sensorineural - surgery
Humans
Magnetic Resonance Imaging
Male
Medical sciences
Middle Aged
Ossicular Prosthesis
Otosclerosis - diagnosis
Otosclerosis - surgery
Postoperative Complications - diagnosis
Postoperative Complications - surgery
Predictive Value of Tests
Reoperation
Stapes Surgery
Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases
Surgery of the ear, the auditive nerve and the facial nerve
Tomography, X-Ray Computed
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Summary:Sensorineural hearing loss (SNHL) is a rare complication of stapes surgery that may arise for many reasons. Usually, the pathogenesis of SNHL can be established by clinical and CT examinations. The purpose of this study was to evaluate the utility of MR imaging when CT findings are normal or not contributive. Eleven patients with SNHL (in some instances, associated with vertigo) after stapedectomy, in whom CT showed no well-defined cause, were examined by MR imaging. MR studies established the additional findings of reparative intravestibular granuloma (n = 2), intralabyrinthine hemorrhage (n = 1), and bacterial labyrinthitis (n = 1). In five cases, MR findings were similar to CT findings. In two cases, CT and MR results were normal. Revision surgery was performed in five patients and confirmed the MR findings in each case. If CT is not contributive as to the origin of SNHL and vertigo occurring after stapes surgery, then MR imaging may be helpful in these patients.
ISSN:0195-6108
1936-959X