The specimen is received in OR and consistent with a resected kidney with abundant perirenal adipose tissue. The kidney is bivalved during intraoperative surgical pathology gross consultation. The dilated renal pelvis is filled with a large amount of pus material. The pus is sampled for culture. After washing the specimen, the walls of dilated calyces and renal pelvis are thickened with multiple yellow nodules. The renal cortex is largely atrophic.
Image courtesy of Jian-Hua Qiao, MD, FCAP, Los Angeles, CA, USA.. Please see case description page for licence and original file information.