Orbital complications of sinusitis in children generally occur as a consequ
ence of ethmoid sinusitis due to preferential spread across the lamina papy
racea. A case is presented of a subperiosteal abscess (SPA) in the superola
teral orbital wall complicating frontal sinusitis in a 6-year-old female. C
ongenital bony dehiscences exist in the lateral floor of the frontal sinus,
which may allow direct spread of infection through to that region. While t
he general principles of managing orbital complications of sinusitis are ap
plicable, the surgical approach for a SPA complicating frontal sinusitis di
ffers from that of the typical medial SPA, and the clinician should be mind
ful of this variation when planning surgical treatment. (C) 1999 Elsevier S
cience Ireland Ltd. All rights reserved.