PMC5832069_01
CT axial, sagittal, and coronal views of cyst causing proptosis.
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fig1
Computed topography scan (Figure 1) showed an extraconal intraorbital tumor in the upper outer quadrant of the right orbit with orbital roof bony erosion, measuring 41 x 39 x 37 mm.
Anterior view with total corneal opacity.
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fig2
Anterior orbitotomy through transconjunctival approach (Figure 2) was then performed.
(a) shows the pseudostratified ciliated columnar epithelium with a (b) xanthogranulomatous reaction. (c) Cilia and (d) goblet cells are demonstrated.
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fig3
The cyst was found to be lined with benign pseudostratified ciliated columnar epithelium with goblet cells (respiratory epithelium) and an associated xanthogranulomatous reaction (Figure 3).