PubMed · 10584862
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H Ryu, S Yamamoto. 1999. Microvascular decompression.. https://pubmed.ncbi.nlm.nih.gov/10584862/
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We report a case of recurrent sphenoid mucocele successfully treated by using a powered instrument under endoscopic control. A 59-year-old male came to our clinic complaining of severe headache, right-side facial numbness (in the areas of the first and second branches of the trigeminal nerve), diplopia, and right blepharoptosis. Computed tomography (CT) imaging revealed opacification and expansion of the sphenoid sinus lesion. The lesion was diagnosed as right-side sphenoid mucocele affecting the functions of the trigeminal (first and second branches), oculomotor, and abducent nerves. Endoscopic drainage of the right-side sphenoid mucocele leads to gradual improvement of these symptoms. Approximately 1 year after the drainage procedure, the size of the enlarged sphenoid sinus ostium had decreased. The patient underwent endoscopic right-side total marsupialization of the sphenoid sinus using a powered instrument. Subsequently, the patient has presented no evidence of recurrent disease after 1 year of follow-up.
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An isolated unilateral hypoglossal nerve lesion is an uncommon cranial nerve palsy. We report a case of isolated hypoglossal nerve paralysis caused by an intra-dural synovial cyst. To our knowledge, this is the first reported case of a twelfth nerve paralysis caused by a synovial cyst. The anatomy of the hypoglossal nerve, its blood supply and the relationship of the nerve to the atlanto-occipital joint are reviewed, along with the common causes of isolated hypoglossal nerve paralysis.