Retroperitoneal laparoscopic partial nephrectomy for unilateral synchronous multifocal renal carcinoma with different pathological types: A case report

Figure 1 Preoperative contrast-enhanced computed tomography imaging and postoperative surgical specimens. A and B: Transverse scan; C: Oblique sagittal scan; D: Trocar distribution in the retroperitoneal approach; E: Tumor appearance; F: Cross-section of the tumor specimen. The yellow arrow indicates the large tumor and the orange arrow indicates the small tumor.

Figure 2 Postoperative pathological diagnosis. A: Renal clear cell carcinoma (small tumor); B: Chromophobe renal cell carcinoma (large tumor).

Figure 3 Postoperative contrast-enhanced computed tomography imaging. A and B: Transverse scan; C: Coronal scan. The yellow arrow indicates the location of the large tumor, and the orange arrow indicates the location of the small tumor after surgery.