title: Embolization of a bleeding aneurysm in a patient with spontaneous perirenal haematoma due to Polyarteritis nodosa.
abstract: OBJECTIVE
  To report a rare case of a Spontaneous perirenal haematoma due to Polyarteritis nodosa treated with a selective embolización of the bleeding aneurysm. Polyarteritis nodosa (PAN) is one of a spectrum of diseases thet belongs to the pathologic category of necrotizing vasculitis. Spontaneous perirenal haematoma (SPH) is an unusual complication of PAN.
  
  
  METHODS
  We are introducing a patient with SPH due to PAN.
  
  
  RESULTS
  The patient was treated with embolization of a left renal bleeding aneurysm of the upper interlobar artery. Pan is the most frequent vascular disease associated with spontaneous renal hematoma. Therefore the diagnosis may be difficult to determine.
  
  
  CONCLUSIONS
  A selective embolization of the bleeding aneurysm is a therapeutical maneuver to be considered.
authors.affiliation: Department of Urology, Fundació Puigvert, Barcelona, Spain. hidaRRO@hotmail.com
authors.forename: Jorge
authors.initials: J
authors.lastname: Hidalgo
authors.forename: Marc
authors.initials: M
authors.lastname: Crego
authors.forename: Maria
authors.initials: M
authors.lastname: Montlleo
authors.forename: Pablo
authors.initials: P
authors.lastname: de la Torre
authors.forename: Jordi
authors.initials: J
authors.lastname: Bover
authors.forename: Joan
authors.initials: J
authors.lastname: Caparrós
authors.forename: Humberto
authors.initials: H
authors.lastname: Villavicencio
mesh_terms: D000328:Adult; D000783:Aneurysm / Q000150:complications*; D004621:Embolization, Therapeutic; D005260:Female; D006406:Hematoma / Q000209:etiology* / Q000628:therapy*; D006801:Humans; D010488:Polyarteritis Nodosa / Q000150:complications*; D012077:Renal Artery