Anatomic pathology department received surgery material - a removed right kidney, the organ is enlarged, on the cut the calyx and pelvis are sharply
expanded, filled with transparent liquid. A stone was found in the orifice of the ureter
(ostium ureteris) which impedes the outflow of urine. The thickness of the kidney
parenchyma is up to 0.8 cm. The cortical layer is reduced to 0.2 cm, the border between the
cortical and medullary layers is hardly visible.
1. Specify the general pathological process that
has developed in the kidney