Psoas abscess caused by Escherichia coli pyelonephritis, A Case Report

ABSTRACT: An iliopsoas abscess is a rare accumulation of pus in the iliopsoas muscle compartment and can be divided into primary and secondary abscesses. Considering the rarity and nonspecific symptomatology, as well as the generally insidious subacute onset, a delay in diagnosis and treatment frequently occurs. We present a case of a 74-year-old woman with a psoas abscess due to an E. coli pyelonephritis. Psoas abscesses resulting from genitourinary tract infections are infrequently described in literature. The aim of this case report is to raise awareness of the nonspecific presentation and the importance of a thorough history and clinical examination to reduce delay in diagnosis. Clinicians should also keep in mind that a psoas abscess is often diagnosed prior to detection of the primary disease and should be attentive for these primary lesions. A follow-up of at least 1 year is recommended due to the reported relapse in 15% to 36% of the cases up to one year after initial presentation.

Abstract licence: CC BY-NC-ND

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