Figure 1: Patient on presentation with marked left peri-orbital swelling and erythema, proptosis, exophtalmus and severe chemosis

Figure 2a: Axial and coronal T1 Fat SAT with Gadolinuim MRI sequence showing subperiosteal abscess

Figure 2b: Axial and coronal T1 Fat SAT with Gadolinuim MRI sequence showing subperiosteal abscess

Figure 3a: Axial and coronal T1 Fat SAT + Gadolinuim MRI sequence showing persistence of the subperiosteal abscess after the first surgery

Figure 3b: Axial and coronal T1 Fat SAT + Gadolinuim MRI sequence showing persistence of the subperiosteal abscess after the first surgery