Renal ultrasonography: a reliable diagnostic tool for pyonephrosis

摘要

Key Clinical Message Pyonephrosis is a rare purulent infection of the upper urinary tract, which can lead to rapid clinical deterioration. While contrast‐enhanced CT scan is a sensitive test, point‐of‐care renal sonography can serve as a quick and valuable bedside tool for diagnosis, especially when iodinated contrast use is contraindicated.