International Journal of Thyroidology

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Table. 2.

Table. 2.

Clinicopathological features of RCC in coexisting TC and RCC group and RCC alone group

RCC characteristics TC and RCCn=53 (1.6%) RCC alonen=3,279 p value
Age, years
Mean±SD 53.1±11.7 54.0±12.2
Median (IQR) 54.0 (18) 54.0 (18) 0.662
Sex 0.001
Male 26 (49.1) 2,320 (70.8)
Female 27 (50.9) 959 (29.2)
BMI (kg/cm2) 25.0±3.6 24.8±3.2 0.825
Tumor size, cm (range) 3.7 (0.9-16.0) 3.8 (0.2-32.0) 0.853
Pathologic stage* 0.554
Stage 1 41 (77.4) 2,440 (75.0)
Stage 2 2 (3.8) 286 (8.8)
Stage 3 7 (13.2) 399 (12.3)
Stage 4 3 (5.7) 129 (4.0)
LN metastasis 1 (1.9) 59 (1.8) 0.622
Distant metastasis 3 (5.7) 113 (4.0) 0.469
Nuclear grade 0.875
Gr 1-2 21 (42.0) 1,389 (43.1)
Gr 3-4 29 (58.0) 1,833 (56.9)
Histologic subtype 0.257
Clear cell 50 (94.3) 2,731 (83.3)
Renal papillary cancer 1 (1.9) 217 (6.6)
Chromopobe 2 (3.8) 239 (7.3)
Others 0 (0) 90 (2.7)
Type of surgery 0.497
Radical nephrectomy 31 (58.5) 2,063 (63.0)
Nephron sparing surgery 22 (41.5) 1,226 (37.0)
F/U duration of RCC, months (range) 73.0 (3.5-213.0) 43.5 (0.4-236.0) <0.001

BMI: body mass index, F/U: follow up, Gr: grade, IQR: interquartile range, LN: lymph node, RCC: renal cell carcinoma, SD: standard deviation, TC: thyroid cancer

Data available for pathologic stage (n=3,254), LN metastasis (n=3,270), distant metastasis (n=2,845), nuclear grade (n=3,222), histologic subtype (n=3,277), type of surgery (n=3,273) in RCC alone group.

*Staging according to the American Joint Committee on Cancer (AJCC) Kidney Cancer Staging System 7th edition.

Int J Thyroidol 2021;14:28-36 https://doi.org/10.11106/ijt.2021.14.1.28
© 2021 Int J Thyroidol