title: [A case of retroperitoneal abscess by anaerobic bacteria].
abstract: A case of retroperitoneal abscess with an unknown origin is presented. A 60-year-old woman visited our hospital complaining of fever and right flank pain. Abdominal computed tomography and ultrasound examination revealed retroperitoneal abscess posterior to right kidney. Percutaneous drainage and administration of antibiotics were performed. Then, both symptoms were improved. The fluid culture proved to be anaerobic bacteria, Peptostreptococcus species and Porphyromonas asaccharolytica. She had no history of surgery or diabetes mellitus. The origin of this abscess was unknown.
authors.affiliation: Department of Urology, Osaka University Graduate School of Medicine.
authors.forename: Akihito
authors.initials: A
authors.lastname: Kamoto
authors.forename: Tetsuya
authors.initials: T
authors.lastname: Takao
authors.forename: Atsunari
authors.initials: A
authors.lastname: Kawashima
authors.forename: Yasuhiro
authors.initials: Y
authors.lastname: Matsuoka
authors.forename: Kazuo
authors.initials: K
authors.lastname: Nishimura
authors.forename: Akihiko
authors.initials: A
authors.lastname: Okuyama
mesh_terms: D018784:Abdominal Abscess / Q000382:microbiology* / Q000628:therapy; D001421:Bacteria, Anaerobic / Q000302:isolation & purification*; D001424:Bacterial Infections / Q000382:microbiology* / Q000628:therapy; D004322:Drainage; D005260:Female; D006801:Humans; D008875:Middle Aged; D012187:Retroperitoneal Space