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Figure 13-1: Normal CT scan showing the anatomy of the orbit. Axial CT sections, thickness 1.5 mm. A: Lowest section. H: Highest section. Note clear delineation of individual muscles, optic nerve, and major veins within the orbital fat.
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Figure 13-2: Coronal computer reconstructions from axial CT sections. A: Most anterior section. H: Most posterior section. Note detailed demonstration of ocular and orbital structures.
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Figure 13-3: Graves' ophthalmopathy.
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Figure 13-4: Orbital cellulitis. Abscess draining through upper eyelid.
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Figure 13-5: CT scan of ethmoid sinus mucocele.
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Figure 13-6: Capillary hemangioma.
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Figure 13-7: Cavernous hemangioma (arrows) of the right orbit as demonstrated by both CT scan (A) and MRI (B). The left side demonstrates the appearance of a normal orbit and globe. (Courtesy of D Char.)
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Figure 13-8: Rhabdomyosarcoma.
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Figure 13-9: Plexiform neurofibroma of upper eyelid in neurofibromatosis 1.
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