[Spontaneous perirenal hemorrhage in patients with polyarteritis nodosa].
Polyarteritis nodosa is a necrotising vasculitis of small and medium-sized arteries. All coats of these vessels are involved easily resulting in aneurysm formations. It is an immunologic disease owing to immune complexes deposits. Kidney affection is over 80%. Polyarteritis nodosa may be complicated by perirenal hematoma, hemobilia, intrahepatic hemorrhage, epidural hematoma. Spontaneous perirenal hematoma can be the initial manifestation of this disease. Abdominal ultrasonography can provide a quick diagnosis of complicating disease and embolization by interventional radiology may be considered a therapeutic alternative to surgery.
I Divisione Medica, Ospedale Cisanello, Pisa.
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D003937:Diagnosis, Differential; D006470:Hemorrhage / Q000209:etiology*; D006801:Humans; D007674:Kidney Diseases / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D010488:Polyarteritis Nodosa / Q000150:complications* / Q000175:diagnosis