Diagnosis and Percutaneous Drainage of a Perinephricabscess by Ultrasound and Fluoroscopy

Abstract
Three patients are described with perinephric abscesses in whom the perinephric fluid collections were identified by ultrasonic examination. In 2 cases thin needle aspiration of these collections using sonographic guidance provided the preoperative diagnosis. Percutaneous tube drainage under ultrasound and fluoroscopy was used successfully in 1 patient whose medical condition precluded surgical drainage. Percutaneous drainage is recommended in severely ill patients with perinephric abscesses.

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