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Revista chilena de infectología

versión impresa ISSN 0716-1018


BAHAMONDES M., LAURA  y  LOPEZ DE MATURANA L., J. CARLOS. RETROPERITONEAL ABSCESS: TWO CASES REPORT AND REVIEW. Rev. chil. infectol. [online]. 2001, vol.18, n.2, pp.147-152. ISSN 0716-1018.

Retroperitoneal abscess is an infrequent infection with a mortalilty rate of 50%, unless drainage is implemented on time. In more than 80% of cases retroperitoneal abscess is secondary to a digestive, renal, or vertebral focus or is derived of the iliopsoas muscles. Up to 14% of the retroperitoneal abscesses are considered primary, because no other focus can be found. It has a polymicrobial bacterial etiology. A fever syndrome without an evident clinical focus is frequently present, and therefore, radiological techniques, such as ultrasound and computerized axial tomography, are indispensable for diagnostic purposes and for guiding its drainage. In the last few years the percutaneous drainage has been the first-line treatment replacing surgical technics in experienced centers. We present two cases and discuss the difficulties for its diagnosis and treatment. In one case the origin was a retrocecal and retroperitoneal appendix infection, an anatomical variation which is found in no more than 3% of the population, which therefore produces an atypical appendicitis. The second case was catalogued as primary, since the search of an original focus was negative. Both cases received antiobiotic therapy and surgical drainage with a full recovery

Palabras clave : Retroperitoneal abscess; Retrocecal appendicitis.

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