title: Radiographic appearance of frontal osteomyelitis in two patients with extradural abscess.
abstract: Extradural abscess can be a complication of frontal sinusitis. The chronicity of this condition can give rise to extreme frontal hyperostosis which can be an important radiological sign in a condition which may be clinically obscure.
authors: Department of Radiology, St James' Hospital, London.
authors: A M
authors: AM
authors: Belli
authors: C J
authors: CJ
authors: Dow
authors: P
authors: P
authors: Monro
mesh_terms: D000038:Abscess / Q000000981:diagnostic imaging* / Q000209:etiology; D000293:Adolescent; D004824:Epidural Space / Q000000981:diagnostic imaging; D005260:Female; D005624:Frontal Bone / Q000000981:diagnostic imaging*; D005626:Frontal Sinus / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D010019:Osteomyelitis / Q000000981:diagnostic imaging* / Q000209:etiology; D011859:Radiography; D012852:Sinusitis / Q000150:complications