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KMID : 0390220100210010074
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Journal of Clinical Otolaryngology, Head and Neck Surgery
2010 Volume.21 No. 1 p.74 ~ p.78
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A Case of Abducens Nerve Palsy Complicated by Acute Mastoiditis without Petrositis
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Jung Tae-Young
Kim Young-Ho
Kwon Jae-Hwan
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Abstract
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A 29-month-old boy presented with acute onset of esodeviation and limitation of ocular movement in his right eye. He had a history of right otitis media for 6 weeks, was diagnosed as abducens nerve palsy. Ventilation tube insertion was done after the eye symptom developed. At first day after surgery, esotropia of 30 prism diopters (PD) and abduction limitation (-4) was still obseved in the right eye due to abducens nerve palsy of the right side. A computed tomography of the temporal bone and magnetic resonance imaging of the brain showed severe mastoiditis without involvement of the abducens nerve pathway including petrous bone. At 6 days after onset of esotropia, simple mastoidectomy was done. An esotropia was improved gradually and at 4 months after surgery, orthotropia and normal ocular movement were acquired. We report a rare case of abducens nerve palsy presumed to be complicated by septic thrombosis of inferior petrosal sinus from mastoiditis without petrous apicitis.
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KEYWORD
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Abducens nerve palsy, Mastoiditis
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