Findings/ types | Nonmultilocular | Multilocular cystic | |
---|---|---|---|
cystic RCC | RCC | ||
absence | 20 | 0 | |
presence | 14 | 4 | 0.053 |
absence | 21 | 0 | |
presence | 13 | 4 | 0.04 |
Clinical data | Outcome |
---|---|
Number of cases | 38 lesions (35 patients) |
Sex | |
Male | 33 (87%) |
Female | 5 (13%) |
Male: female ratio | 6.6 |
Age, mean (range) years | 58.84 years (23-87) |
Type of surgery | |
Radical nephrectomy | 27 (71%) |
Tissue biopsy | 8 (21%) |
Partial nephrectomy | 3 (8%) |
Histopathology | Stage at diagnosis (%) | Total | |||
---|---|---|---|---|---|
1 | 2 | 3 | 4 | ||
Clear cell RCC | 10 | 3 | 9 | 3 | 25 |
Papillary RCC | 1 | 0 | 1 | 3 | 5 |
Multilocular cystic RCC | 3 | 0 | 1 | 0 | 4 |
Chromophobe RCC | 0 | 0 | 1 | 0 | 1 |
Mix subtype | 0 | 0 | 1 | 2 | 3 |
Total | 14 (37) | 3 (8) | 13 (34) | 8 (21) | 38 (100) |
Subtype | III (% in subtype) | IV (% in subtype) |
---|---|---|
Clear cell RCC | 2 (8%) | 23 (92%) |
Papillary RCC | 0 (0%) | 5 (100%) |
Multilocular cystic RCC | 0 (0%) | 4 (100%) |
Chromophobe RCC | 0 (0%) | 1 (100%) |
Mix type/other subtype | 0 (0%) | 3 (100%) |
Findings types | Clear cell | Papillary | Multilocular | Chromophobe | Mix-type | |
---|---|---|---|---|---|---|
RCC | RCC | cystic RCC | RCC | RCC | ||
Renal parenchymal attenuation (mean) | ||||||
Precontrast | 33.6 | 36.0 | 34.0 | 26.3 | 33.3 | 0.51 |
Precontrast | 21.3 | 22.6 | 12.3 | 21.8 | 17.8 | 0.446 |
Corticomedullary phase | 28.0 | 28.4 | 17.3 | 23.6 | 20.3 | 0.66 |
Nephrogenic phase | 28.2 | 26.2 | 26.3 | 19.3 | 21.3 | 0.86 |
Precontrast | 37.2 | 36.0 | 27.3 | 37.8 | 40.0 | 0.27 |
Corticomedullary phase | 135.5 | 59.4 | 85.8 | 81.5 | 99.0 | 0.001 |
Nephrogenic phase | 112.1 | 71.8 | 92.8 | 82.2 | 86.3 | 0.042 |
Finding/ types | Clear cell | Papillary | Multilocular | Chromophobe | Mix-type | |
---|---|---|---|---|---|---|
RCC | RCC | cystic RCC | RCC | RCC | ||
absence | 18 | 1 | 0 | 0 | 1 | |
presence | 7 | 4 | 4 | 1 | 2 | 0.02 |
absence | 18 | 1 | 0 | 0 | 1 | |
presence | 7 | 4 | 4 | 1 | 2 | 0.02 |
absence | 12 | 2 | 0 | 1 | 1 | |
presence | 13 | 3 | 4 | 0 | 2 | 0.32 |
absence | 12 | 1 | 0 | 1 | 1 | |
presence | 13 | 4 | 4 | 0 | 2 | 0.22 |
absence | 21 | 3 | 4 | 1 | 2 | |
presence | 4 | 2 | 0 | 0 | 1 | 0.52 |
absence | 18 | 1 | 0 | 1 | 1 | |
presence | 7 | 4 | 4 | 0 | 2 | 0.02 |
absence | 15 | 4 | 4 | 1 | 2 | |
presence | 10 | 1 | 0 | 0 | 1 | 0.49 |
Histopathologic subtype | Number (lesion) | Percentage |
---|---|---|
Clear cell RCC | 25 | 66% |
Papillary RCC | 5 | 13% |
Multilocular cystic RCC | 4 | 11% |
Chromophobe RCC | 1 | 3% |
Mixed type/other subtype = papillary/chromophobe = 1, clear cell/chromophobe = 1, sarcomatoid type = 1 | 3 | 8% |