Figure 2From: Rapidly progressing subperiosteal orbital abscess: an unexpected complication of a group-A streptococcal pharyngitis in a healthy young patient Axial contrast-enhanced fat suppressed T1-weighted MR. The image demonstrates ethmoid and sphenoid sinusitis and an heterogeneous enhancement of left eyelid tissues and of orbital fat. The left orbital extraocular muscles show a moderate enhancement due to edema and hyperaemia. Left medial rectus muscle is also moderately thickened.Back to article page