Headache and Forehead Swelling in a 9-Year-Old Boy with Sinusitis
Orbital complications of frontal sinusitis was classified by Chandler, et al. in 1970, and organizes the typical patterns of secondary orbital involvement into a logical progression. Subperiosteal abscess can lead to inferolateral displacement of the globe, impairment of extraocular muscles, and impairment of visual acuity.
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