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  Indian J Med Microbiol
 

Figure 3: Magnetic resonance imaging (MRI) of a case of mucormycosis sinusitis with orbital involvement. Axial section through bilateral orbits (a) T2-weighted image, (b) T2-fat suppressed image: Axial section– Both orbits.★: Tenting of posterior spherical contour of Right Globe; giving conical appearance, [INSIDE:1]: Straightened and slightly thickened left optic nerve with fuzzy margins and intra-substance altered hyperintense signal, [INSIDE:2]: Soft-tissue fat standing in retro-orbital intraconal as well as extraconal fat, : Hyperintense signal from thickened left medial rectus muscle, [INSIDE:3]: Bilateral ethmoid sinusitis: Heterogeneous hyperintense signal with interspersed hypointense areas, Red ovoid shows soft-tissue thickening at left orbital apex involving left cavernous sinus as well. There is mild luminal attenuation of left ICA as compared to right ICA, Proptosis: Left globe anterior to inter-zygomatic line (dotted yellow line) suggestive of Proptosis, White arrows: Preseptal soft-tissue edema. ICA: Internal carotid artery

Figure 3: Magnetic resonance imaging (MRI) of a case of mucormycosis sinusitis with orbital involvement. Axial section through bilateral orbits (a) T2-weighted image, (b) T2-fat suppressed image: Axial section– Both orbits.★: Tenting of posterior spherical contour of Right Globe; giving conical appearance, [INSIDE:1]: Straightened and slightly thickened left optic nerve with fuzzy margins and intra-substance altered hyperintense signal, [INSIDE:2]: Soft-tissue fat standing in retro-orbital intraconal as well as extraconal fat, : Hyperintense signal from thickened left medial rectus muscle, [INSIDE:3]: Bilateral ethmoid sinusitis: Heterogeneous hyperintense signal with interspersed hypointense areas, Red ovoid shows soft-tissue thickening at left orbital apex involving left cavernous sinus as well. There is mild luminal attenuation of left ICA as compared to right ICA, Proptosis: Left globe anterior to inter-zygomatic line (dotted yellow line) suggestive of Proptosis, White arrows: Preseptal soft-tissue edema. ICA: Internal carotid artery