title: Subdural empyema resulting from displacement of a root into the maxillary antrum.
abstract: Subdural empyema is a rare but serious complication of paranasal sinusitis which may result in death or permanent disability in a significant proportion of cases. A case is presented in which displacement of a premolar root in the maxillary sinus led to a subdural empyema and a resultant left-sided hemiplegia. This case illustrates the necessity of early surgical intervention to remove displaced roots in the maxillary antrum in order to prevent the serious complications of paranasal sinusitis.
authors.affiliation: University of Liverpool.
authors.forename: E J
authors.initials: EJ
authors.lastname: Woolley
authors.forename: M
authors.initials: M
authors.lastname: Patel
mesh_terms: D000328:Adult; D001641:Bicuspid / Q000601:surgery; D001925:Brain Damage, Chronic / Q000209:etiology; D013354:Empyema, Subdural / Q000150:complications* / Q000209:etiology* / Q000601:surgery; D005547:Foreign Bodies / Q000150:complications* / Q000209:etiology; D006429:Hemiplegia / Q000209:etiology; D006801:Humans; D008297:Male; D008437:Maxilla; D008443:Maxillary Sinus; D015523:Maxillary Sinusitis / Q000150:complications* / Q000209:etiology; D009957:Oroantral Fistula / Q000150:complications; D014081:Tooth Extraction / Q000009:adverse effects*; D014092:Tooth Root