Shih-Hung Yen

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The purpose of this study was to assess the value of using intraoperative sonography to assist percutaneous release of the A1 pulley in cadavers. By detailed sonographic examination and anatomical exploration, the authors determined the correlation of the actual A1 and A2 pulleys (and adjacent neurovascular bundles not visualized by sonography) to the(More)
BACKGROUND Sphenoid dysplasia is a distinctive but uncommon manifestation of neurofibromatosis type 1. The absence of the sphenoid greater wing allows the temporal lobe to prolapse into the orbit resulting in temporal base encephalocele and pulsating exophthalmos. Surgical procedures are aimed at preserving vision and improving ocular movement and cosmesis.(More)
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