Epidural and pericranial abscesses complicating frontal sinusitis in a comatose child.

Most complications of sinusitis have a significant risk of severe morbidity and possibly mortality. Therefore a keen awareness of the subtle signs and symptoms of bacterial spread beyond the paranasal sinuses must be maintained. This increased awareness is especially important in mentally retarded and psychomotor handicapped children because they can develop a rapidly fatal course despite the absence of any warning signs.