SECONDARY PSOAS ABSCESS 27 YEARS AFTER NEPHRECTOMY

Abscesses of the psoas muscle are due to a hematogenous dissemination, to the spread of infection from adjacent intestinal structures, to os teomyelitis of the spine or to tuberculous infection of a disc space. In contrast, psoas abscesses related to the urological tract have only been described on exception. The present report focuses on a right ps oas abscess which developed 27 years after a nephrectomy. The infectio us process resulted from the spread of an acute vesical infection thro ugh the residual ureter. Analysis of 4 other cases reported in the lit erature allows us to delineate the clinical features of psoas abscesse s of urological origin.