Journal of the Korean Ophthalmological Society 1999;40(6):1732-1737.
Published online June 1, 1999.
A Clinical Experience of Postoperative Double Elevator Palsy after Surgical Removal of Schwannoma in Orbit and Cavernous Sinus.
Doseok Byon, Sang Kuyn Kim, Kui Doo Byun
Department of Ophthalmology, College of Medicine, Inha University.
해면동과 안와내에 발생한 신경초종 수술 후 합병증으로 발생한 두상전근 마비의 임상적 치험 1예
변도석(Do Seok Byon),김상균(Sang Kyun Kim),변귀두(Kui Doo Byun)
Abstract
A patient who had been complaining of slowly progressive proptosis for two months came to the authors`hospital. Brain MRI was taken promptly to show an intraorbital lesion highly suspicious of schwannoma. We performed an operation in concert with neurosurgeons in which the intraorbital mass was totally resected through orbitozygomatic and extradural approach. After the surgery, ptosis of right upper eyelid and right hypertropia of 22 prism developed as a complication. Another operation was performed 7 months after the initial resection of the mass, in which right inferior rectus muscle was recessed and a silicone sleave was inserted for right frontalis sling. No further complication developed thereafter. Presently, the patient has right hypotropia of 8 prism and only a few creases on right upper eyelid. Orbital schwannoma is a rare disease and comprises approximately 1 percent of all orbital tumors. The authors experienced postoperative double elevator palsy as well as sinus and intraorbital schwannoma. We report this case with review of the literature.
Key Words: Schwannoma;Double elevator palsy;Ptosis


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