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. 2024 Aug 30;19(8):e0308528. doi: 10.1371/journal.pone.0308528

Fig 2. Orbital inflammation.

Fig 2

Axial (A) and coronal (B) T1 post-contrast fat saturated images in a 72 year-old male show a left orbital apex mass extending intracranially (white arrows, A,C,D). Mild inflammatory stranding in the pre- & post-septal orbit and mild lateral rectus muscle enlargement (dashed white arrows, B) led one radiologist to conclude that the orbital apex mass was inflammatory, while the other radiologist felt the mass-like appearance favored neoplasm. Diffusion-weighted imaging (DWI) (C) and apparent diffusion coefficient (ADC) (D) show intermediate signal close to brain(white arrows). The confirmed clinical diagnosis was non-specific orbital inflammation.