title: Empyema necessitatis into the retroperitoneal space.
abstract: Empyema necessitatis is a rare complication of tuberculous empyema. We present a very rare case of empyema necessitatis into the retroperitoneal space through the diaphragm. The fistula between the thoracic empyema cavity and the retroperitoneal abscess was clearly identified by magnetic resonance imaging.
authors.affiliation: Department of Thoracic Surgery, Hyogo Medical Center for Adults, Akashi City, Japan.
authors.forename: Toshihiko
authors.initials: T
authors.lastname: Sakamoto
authors.forename: Yoshifumi
authors.initials: Y
authors.lastname: Miyamoto
authors.forename: Wataru
authors.initials: W
authors.lastname: Nishio
authors.forename: Hidehito
authors.initials: H
authors.lastname: Matsuoka
authors.forename: Noriaki
authors.initials: N
authors.lastname: Tsubota
mesh_terms: D000038:Abscess / Q000150:complications* / Q000473:pathology; D000368:Aged; D016724:Empyema, Pleural / Q000150:complications* / Q000473:pathology; D004654:Empyema, Tuberculous / Q000150:complications* / Q000473:pathology; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D010995:Pleural Diseases / Q000209:etiology / Q000473:pathology; D016156:Respiratory Tract Fistula / Q000209:etiology* / Q000473:pathology; D012187:Retroperitoneal Space