![]() ![]() Anatomic pathology demonstrated histopathologic findings consistent with an osteoid osteoma and no evidence of atypia. Dissection continued until the mass was free of its attachments and removed (Figure 6). The lesion became freely mobile once the ethmoid sinus was entered. ![]() The tumor and its extent was identified (Figure 5). The dissection was continued superiorly in the preseptal plane to the level of the orbital rim superonasally and continued further through the orbital septum. The patient was taken to the operating room, where an anterior orbitotomy via an upper lid crease incision was performed. Given the history of recent growth, the decision was made to perform an excisional biopsy of the lesion. Superonasal immobile, hard, smooth lesionĭilated fundus exam: Normal disc with 0.2 cup to disc ratio and normal macula, vessels and periphery OU Figure 1: External Photograph demonstrating minimal medial ptosis of the left eyelid (click on Image for enlargement)įigures 2, 3, and 4: Axial and coronal CT images demonstrating the ill-defined hyperosteotic lesion in the superior medial orbit with extension into the ethmoid sinus (click on Image for enlargement) Pupils: Briskly reactive without relative afferent pupillary defect Review of Systems: Negative OCULAR EXAMINATION A complete review of systems was negative. She denied any vision changes, ocular pain, pain with eye movement, or headaches. Over the same period of time, she also noted a "bump" at the nasal aspect of her upper eyelid and felt that it was increasing in size. History of Present Illness: A healthy 20-year-old female presented to the Oculoplastics Clinic with a 9-month history of left upper lid droopiness. ![]()
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