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©The Author(s) 2024.
World J Clin Cases. May 16, 2024; 12(14): 2332-2341
Published online May 16, 2024. doi: 10.12998/wjcc.v12.i14.2332
Published online May 16, 2024. doi: 10.12998/wjcc.v12.i14.2332
Table 1 General information of patients
Medical data1 | Renal cyst | Cyst combined with renal tumor | P value |
Age (continuous) | 0.35 | ||
Mean (IQR) | 62 (50–72) | 59 (51–68) | |
Sex (No. of cases) | 0.72 | ||
Male, n (%) | 675 (57.94) | 180 (50.70) | |
Side (No. of cases) | 0.16 | ||
Left, n (%) | 561 (48.15) | 165 (46.48) | |
Cyst diameter (cm) | 0.27 | ||
Mean (IQR) | 12 (9–14) | 7 (6–9) | |
Operation method (No. of cases), n (%) | < 0.001 | ||
Renal cyst topping decompression | 1165 (100.0) | 346 (97.46) | |
Radical nephrectomy | 0 | 3 (0.85) | |
Nephron sparing surgery | 0 | 6 (1.69) | |
Pathological type (No. of cases), n (%) | < 0.001 | ||
Renal cyst | 1132 (97.18) | 312 (87.89) | |
MCRNLMP | 33 (2.82) | 43 (12.11) | |
Fuhrman grade (No. of cases), n (%) | 0.06 | ||
I | 13 (39.39) | 26 (60.47) | |
II | 20 (60.61) | 17 (39.53) |
Table 2 Comparison of postoperative pathological positive rates between simple renal cysts and cysts combined with renal tumors diagnosed preoperatively, n (%)
Index1 | Group | Benign | MCRNLMP | P value |
Preoperative diagnosis | Simple renal cyst (type I) | 735 (98.52) | 11 (1.48) | < 0.001 |
Complex renal cyst (type II) | 397 (94.74) | 22 (5.26) | ||
Cysts combined with renal tumors (type III) | 312 (87.89) | 43 (12.11) |
Table 3 Univariate cox regression analysis of positive rates in patients with multilocular cystic renal neoplasm of low malignant potential
Univariate analysis | Odds ratio | 95%CI | P value |
Preoperative diagnosis | < 0.001 | ||
Simple renal cyst (type I) | 1 (reference) | ||
Complex renal cyst (type II) | 3.67 | 2.57–5.13 | |
Cysts combined with renal tumors (type III) | 9.19 | 6.46–12.88 | |
Growth rates | < 0.001 | ||
< 2.0 cm/yr | 1 (reference) | ||
≥ 2.0 cm/yr | 43.51 | 30.90-61.66 |
Table 4 Comparison of postoperative pathological positive rates in various growth rates during preoperative monitoring, n (%)
Index1 | Group | Benign | MCRNLMP | P value |
Growth rates | ≥ 2.0 cm/yr | 236 (77.63) | 68 (22.37) | < 0.001 |
< 2.0 cm/yr | 1208 (99.34) | 8 (0.66) |
Table 5 Comparison of differences in the positive recurrence rate of various treatments, n (%)
Index1 | Group | Renal cyst topping decompression + active monitoring | Renal cyst topping decompression + nephron-sparing surgery or radical nephrectomy | P value |
Re-examination | No recurrence or metastasis | 66 (98.50) | 9 (100.0) | 1 |
Recurrence or metastasis | 1 (1.50) | 0 (0.00) |
Table 6 Comparison of differences in the positive recurrence rate of various surgical methods, n (%)
Index1 | Group | Renal cyst topping decompression + nephron-sparing surgery | Renal cyst topping decompression + radical nephrectomy | P value |
Re-examination | No recurrence or metastasis | 6 (100.0) | 3 (100.0) | 1 |
Recurrence or metastasis | 0 | 0 |
- Citation: Gao WL, Li G, Zhu DS, Niu YJ. Clinicopathological characteristics and typing of multilocular cystic renal neoplasm of low malignant potential. World J Clin Cases 2024; 12(14): 2332-2341
- URL: https://www.wjgnet.com/2307-8960/full/v12/i14/2332.htm
- DOI: https://dx.doi.org/10.12998/wjcc.v12.i14.2332