PMC9623055_01
CT before surgery. (A-D): The location and size of the tumor in the left kidney. (E, F): The location and size of the tumor in the right kidney. (A) and (E): Plain scan stage, (B, F): cortical stage, (C, G): parenchymal stage, (D, H): renal pelvis stage. The white arrow indicates the tumors.
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Figure 1 ). For the treatment, the patient underwent robot-assisted laparoscopic left partial nephrectomy and 3 months after first surgery underwent laparoscopic partial right nephrectomy. The red and white cell counts and the renal function index were in the normal range during and after the treatment ( Figure 3  and  Supplementary Image 1 ).
Pathological section (H&E, x100). (A, B): Hematoxylin-eosin staining showed that the cytoplasm of renal cell carcinoma was eosinophilic and had a tubular and glandular structure.
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Intercellular blood vessels were increased, dilated, and congested ( Figure 2 ).
Creatinine and uric acid after surgery. (A): Changes of creatinine after surgery. (B): Changes of uric acid after surgery. The levels of creatinine and uric acid after surgery follow-up were in the normal range.
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The red and white cell counts and the renal function index were in the normal range during and after the treatment ( Figure 3  and  Supplementary Image 1 ).
CT after surgery. (A-D): Third month after surgery, (E-H): 6 months after surgery, (I-L): 24th month after surgery. The margins of the upper left kidney (A, B, E, F, I, J) and lower right kidney (C, D, G, H, K, L) were irregular. The perirenal space of the bilateral kidneys was clear, and the shape and size were normal. There was no obvious enlarged lymph node shadow in the retroperitoneum. (A, E, I): Plain scan stage. (B, F, J): Cortical stage. (C, G, K): parenchymal stage. (D, H, L): Renal pelvis stage. The white arrow indicates status of partial nephrectomy.
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CT was performed at the third, sixth, and 24th months after the second operation ( Figure 4 ).