反対側蝶形洞炎より発生した鼻性球後視神経炎の1例

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Twenty-eight-years-old house wife diagnosed ophthalmologically as left optic atrophy with apex syndrome had been treated conservatively about 40 days in an university hospital, but v.s. rsened nil.On August 30, 1965, she was hospitalized in NIHO-Institute.Rhinological Diagnosis was chronic bilateral odontogenic sinusitis and left rhinogenic retrobulbar optic neuritis.Pansinectomy of both sides, removal of 2 and decompression of the left optic canal by the transethmoidal route were performed.Grades of the inflammation of sinuses were as follows:Left side:Maxillar cavity:severe.Frontal sinus:severe.Posterior ethmoid:mild.Only the most posterior ethmoid near the optic canal:severe.Sphenoidal sinus was not found.Right side:Maxillar cavity:severe.Ethmoid: severe.Frontal sinus:mild.Sphenoidal sinus was very big, and developed to the left optic canal, and its inflammation was severest.In the specimens of the mucous membrane of the right sphenoidal sinus obtained during the operation many big bony sequestrums were found.Route to the optic canal of the development of the inflammation was confirmed as follows:2, maxillar sinusitis, ethmoiditis, sphenoidal sinusitis of the right side and then the left optic canal, were involved.
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