PMC4352651_01
Magnetic resonance imaging T2 iso intense lobulated intraconal lesion displacing right optic nerve medially. The lesion is seen extending from the superior orbital fissure and closely abutting the right lateral rectus muscle
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F1
Magnetic resonance imaging scan [Figures 1-3] revealed, a 2.1 cm x 1.8 cm x 1.7 cm well-defined, lobulated intraconal mass lesion in the posterior right orbit in close proximity to the optic nerve, displacing the nerve supero-medially.
Magnetic resonance imaging coronal sequence showing T1 hypo and T2 iso intense lobulated intraconal lesion occupying the right orbital apex with superomedial displacement of the optic nerve
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F2
Magnetic resonance imaging scan [Figures 1-3] revealed, a 2.1 cm x 1.8 cm x 1.7 cm well-defined, lobulated intraconal mass lesion in the posterior right orbit in close proximity to the optic nerve, displacing the nerve supero-medially.
Magnetic resonance imaging postcontrast axial (a) and sagittal (b) sequences showing intense enhancement
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F3
Magnetic resonance imaging scan [Figures 1-3] revealed, a 2.1 cm x 1.8 cm x 1.7 cm well-defined, lobulated intraconal mass lesion in the posterior right orbit in close proximity to the optic nerve, displacing the nerve supero-medially.
(a) Microphotograph showing a circumscribed thinly capsulated spindle cell neoplasm (H and E, x40). (b) Microphotograph showing cellular Antoni areas with Verocay bodies (H and E, x100). (c) Microphotograph showing hypocellular Antoni B area with a loose, vacuolated stroma (H and E, x100). (d) Microphotograph showing nuclear palisading constituting the Verocay bodies (H and E, x200)
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F4
The histopathology [Figure 4a-d] revealed a well-circumscribed, thin encapsulated neoplasm composed of predominantly interwoven fascicles of spindle cells with elongated nuclei, eosinophilic cytoplasm, and indistinct cytoplasmic borders (Antoni A pattern).
PMC4352651_02
Postoperative photograph of the patient showing synchronous complete range of extraoccular movements of both eyes
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F5
Six months after surgery, patient is having complete range of extraoccular movements [Figure 5] and the eyes, facial contour is symmetrical.
Postoperative computed tomography scan showing complete excision of the tumor, there was no radiological evidence of bone formation in the polycaprolactone scaffold which is known to have osteo-inductive properties
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F6
Six months postoperative computed tomography scan [Figure 6] confirmed complete excision; bone formation was not yet visible in the PCL scaffold which was used for orbital roof reconstruction.