Macroscopic White Blood Cell Casts: An Extremely Rare Presentation of Klebsiella Pyelonephritis

*Corresponding author: Larry B. Mellick* and Kimberly Rathbun


In this case report, we present a patient with severe pyelonephritis who presented complaining of passing worm-like tissue from his penis. This patient was passing macroscopic ureteral white blood cell casts resulting from a severe pyelonephritis caused by Klebsiella pneumoniae.
Acute pyelonephritis; White blood cell casts; Urinary tract infections; Urinary tract infection (UTI); Ureteral casts.