title: Abdominal crunches as an unusual cause of empyema.
authors.affiliation: Department of Medicine, McGill University, Montreal, Que.
authors.forename: Omar
authors.initials: O
authors.lastname: AbouEzzeddine
authors.forename: Omar
authors.initials: O
authors.lastname: Abouzzeddine
authors.forename: Navdeep
authors.initials: N
authors.lastname: Tangri
mesh_terms: D000005:Abdomen; D000328:Adult; D001265:Athletic Injuries / Q000150:complications*; D001998:Bronchopulmonary Sequestration / Q000150:complications*; D016724:Empyema, Pleural / Q000000981:diagnostic imaging / Q000209:etiology* / Q000601:surgery; D005260:Female; D006801:Humans; D010996:Pleural Effusion / Q000000981:diagnostic imaging / Q000209:etiology / Q000601:surgery; D011859:Radiography; D012421:Rupture / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery; D016896:Treatment Outcome