title: [Acute abdomen secondary to pyonephrosis. Perinephritic abscess with fistula to peritoneal cavity].
abstract: OBJECTIVE
  To describe a case of acute abdomen arising from an underlying urological condition.
  
  
  RESULTS
  Herein we describe a patient with acute abdomen arising from a pyonephrotic kidney with fistulization to the peritoneal cavity. The clinical manifestations disappeared following nephrectomy by the anterior approach and drainage of the intraperitoneal cavity.
  
  
  CONCLUSIONS
  Although infrequent, it should be taken into account that peritoneal abscess and/or pyonephrosis can cause acute abdomen when they fistulize to the peritoneal cavity.
authors.forename: S
authors.initials: S
authors.lastname: Napal Lecumberri
authors.forename: J
authors.initials: J
authors.lastname: Hernando Alonso
authors.forename: J
authors.initials: J
authors.lastname: Ortega Zurro
authors.forename: J
authors.initials: J
authors.lastname: Gil de la Puente
authors.forename: A
authors.initials: A
authors.lastname: Hernando Albistegui
authors.forename: T
authors.initials: T
authors.lastname: Martín de Frutos
authors.forename: B
authors.initials: B
authors.lastname: Encinas Gaspar
mesh_terms: D000006:Abdomen, Acute / Q000209:etiology*; D000038:Abscess / Q000150:complications*; D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006801:Humans; D007674:Kidney Diseases / Q000150:complications; D010529:Peritoneal Cavity; D011704:Pyelonephritis / Q000150:complications*; D014548:Urinary Fistula / Q000209:etiology*
vernacular_title: Abdomen agudo secundario a pionefrosis. Absceso perinefrítico, fistulizado a cavidad peritoneal.