PMC3385622_01
Patient at the onset with inferior displacement of the globe and severe conjunctival chemosis.
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Physical examination revealed a decreased right visual acuity, inferior displacement of the globe, severe conjunctival chemosis, and reduced corneal sensitivity (Figure 1).
Axial and coronal MRI image showing a right intraconic and extrasonic mass with ocular globe displacement and temporal muscle and zygomatic bone infiltration.
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Computed tomography (CT) and magnetic resonance imaging (MRI) scans revealed a well-defined right intrasonic mass, measuring 5.3 x 4.6 x 3.6 cm, with ocular globe displacement but without involvement of the temporal fossa (Figure 2).
Orbitozygomatic approach. Tumoral resection and reconstruction with cyanoacrylate.
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Based on these findings, the lesion was resected, and we performed an orbital roof plasty with cyanoacrylate (Figure 3).
(a) Macroscopic view of the resected specimen. (b) Microphotography (4x) of the neoplasm showing a hemangiopericytoma-like vascular pattern, with proliferation of small, round cells with clear cytoplasm. (c) Closer view of the previous microphotography (40x), showing the small round cells surrounding the vessels. (d) Microphotography (40x) showing the transition between well differentiated cartilage and small cell areas.
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The posterior edge of the ocular globe, the globe itself, and the optic nerve did not show evidence of the neoplasm (Figure 4).