Serous otitis media revealing temporal en plaque meningioma.

Abstract

OBJECTIVES To present a series of temporal en plaque meningiomas involving the middle ear or mastoid, whose main symptoms suggested a serous otitis media. STUDY DESIGN AND SETTINGS Multicentric retrospective study reviewing clinical records originating from eight tertiary referral centers. MATERIALS AND METHODS The clinical records of 10 patients presenting with signs and symptoms suggesting serous otitis media and whose neuroimaging studies revealed a temporal en plaque meningioma involving the middle ear or mastoid are reported. RESULTS All the patients were women, ranging from 49 to 71 years old. The delay between the onset of symptoms and the diagnosis of meningioma varied from 1 to 10 years. All the patients underwent various procedures usually applied for the treatment of serous otitis media, which failed in all the cases, particularly ventilating tube placement, which was followed by severe episodes of discharge. In all cases, the computed tomographic scans showed three imaging signs: soft tissue mass filling the middle ear or mastoid, hyperostosis of the petrous bone, and hairy aspect of the intracranial margins of the affected bone. This imaging triad must alert the otologist of the possibility of intracranial meningioma. Magnetic resonance imaging was the method of choice to assess the diagnosis of intracranial meningioma involving the middle ear or mastoid. When analyzing management options, it appeared that conventional middle ear procedures were inefficient. CONCLUSION Temporal en plaque meningioma involving the middle ear or mastoid can mimic a serous otitis media. A computed tomographic scan is recommended for cases of atypical or prolonged unilateral serous otitis media to investigate indirect signs of a meningioma, which has to be confirmed with magnetic resonance imaging.

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@article{Ayache2006SerousOM, title={Serous otitis media revealing temporal en plaque meningioma.}, author={Denis Ayache and Franco Trabalzini and Philippe Bordure and Benoit Gratacap and Vincent Darrouzet and S{\'e}bastien Schmerber and Jean-Pierre Lavieille and Marc T. Williams and Emmanuel Lescanne}, journal={Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology}, year={2006}, volume={27 7}, pages={992-8} }