Absceso renal conperforación a tórax

objective: to present a case of secondary renal abscess to a xanthogranulomatosis pyelonephritis with perforation to chest that required nephrectomy and decortication left pleural. methods and results: patient feminine of 38 years that present infections from the tract urinary secondary to kidney lithiasis that evolve to a kidney abscess that you perforates to chest where you forms an abscess. it was treated with nephrectomy and drainage of chest abscess by chest tube, and later decortication, with good evolution. conclusions: the kidney abscess and/or xanthogranulomatosis pyelonephritis are the result of a lithiasis not treated obstruction that conditions to the appearance of urinary infection and posterior pyonephrosis and or kidney abscess. the not early detection of the kidney abscess conditions to the perforation to retroperitoneal, intrabdominal and to chest. the early treatment of the abscess (antibiotics and percutaneous drainage) it can avoid the nephrectomy.