Workup
Laboratory Studies
Standard preoperative testing of cardiopulmonary function and blood parameters is necessary to avoid increased risk associated with a surgical procedure.
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Imaging Studies
Imaging studies such as CT scan or MRI may be necessary to plan surgical excision of a tumor. They also may aid in predicting the extent of the defect and the availability of adjacent tissues for reconstruction.
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Other Tests
Prior to surgical reconstruction of the upper eyelid, an evaluation by an ophthalmologist is indicated to determine visual acuity, lacrimation, and extraocular movement.
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Media Gallery
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After release of the upper lateral canthal tendon and prior to closing the defect, the defect must be converted into a pentagonal shape by removing a triangular wedge at the top. This allows closure without a large dog-ear deformity.
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The width of the flap is equal the width of the defect. The incision is made 5 mm inferior to the lash line in order to avoid damage to the tarsal plate. At the time of flap release, care should be taken to protect the globe.
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