case_images: PMC8445722_01
case_images: Orbital cellulitis at presentation in the left eye (front and lateral view).
case_images: CRIOPM2021-8832783.001.jpg
case_images: PMC8445722_01_CRIOPM2021-8832783.001.jpg
case_images: fig1
case_images: Koirala Institute of Health Sciences, with sudden onset of painful proptosis associated with visual impairment in the left eye for 15 days (Figure 1).
case_images: Conjunctival congestion with tortuous vessels in the left eye.
case_images: CRIOPM2021-8832783.002.jpg
case_images: PMC8445722_01_CRIOPM2021-8832783.002.jpg
case_images: fig2
case_images: There was diffuse conjunctival congestion with chemosis and dilated tortuous vessels over the upper bulbar conjunctiva (Figure 2).
case_images: Blurred disc margin with chorioretinal folds in the left eye.
case_images: CRIOPM2021-8832783.003.jpg
case_images: PMC8445722_01_CRIOPM2021-8832783.003.jpg
case_images: fig3
case_images: A dilated funduscopic examination of the left eye revealed optic disc edema of one diopter elevation with chorioretinal folds in the inferior quadrants (Figure 3).
case_images: USG B-scan: homogenous mass distorting the globe inferiorly (as shown by an arrow) in the left eye.
case_images: CRIOPM2021-8832783.004.jpg
case_images: PMC8445722_01_CRIOPM2021-8832783.004.jpg
case_images: fig4
case_images: USG B-scan of the left eye showed normal intraocular structures with the presence of homogeneous mass behind the globe inferiorly (Figure 4).
case_images: CECT-orbit: contrast enhanced intraorbital mass involving the optic nerve (as shown by an arrow in (a)) and the mass extending to sinonasal cavity (as shown by an arrow in (b)).
case_images: CRIOPM2021-8832783.005.jpg
case_images: PMC8445722_01_CRIOPM2021-8832783.005.jpg
case_images: fig5
case_images: It also involved the soft tissue of the anterior orbit with homogenous opacity in the ethmoidal and maxillary sinuses with few probable sites of bony erosions (Figures 5(a) and 5(b)).
case_images: Endoscopic biopsy specimen (H&E x20). Microphotograph shows the H&E-stained section showing diffuse proliferation of atypical cells with apoptotic bodies.
case_images: CRIOPM2021-8832783.006.jpg
case_images: PMC8445722_01_CRIOPM2021-8832783.006.jpg
case_images: fig6
case_images: Proliferating capillaries and few inflammatory cells were seen in between suggestive of non-Hodgkin Lymphoma (Figure 6).