Table 2 Diagnosis and characteristics of gallbladder metastasis from RCC
From: Metastatic polyp of the gallbladder from renal cell carcinoma
Preoperative diagnosis, n = 41 |  |
 Gallbladder metastasis from RCC | 18 (44%) |
 Gallbladder polyp | 11 (27%) |
 Gallbladder cancer | 7 (17%) |
 Acute cholecystitis | 3 (7%) |
 Gallstone | 2 (5%) |
Size of metastatic RCC to gallbladder, cm, n = 40 |  |
 Median (range) | 2.6 (0.8 – 9) |
 Mean ± SD | 2.9 ± 1.8 |
Vascularity of metastatic RCC to gallbladder, n = 27 |  |
 Hypervascular | 22 (82%) |
 Heterogenous | 5 (18%) |
Location of metastatic RCC in gallbladder, n = 42 |  |
 Fundus | 20 (48%) |
 Body | 17 (40%) |
 Neck | 5 (12%) |
Appearance of metastatic RCC in gallbladder, n = 42 |  |
 Polypoid mass with narrow stalk to gallbladder | 38 (91%) |
 Polypoid mass with wide base to gallbladder | 4 (9%) |
Presence of gallbladder stone, n = 39 |  |
 No | 28 (72%) |
 Yes | 11 (28%) |
Concomitant multiple metastasis, n = 47 | 13 (28%) |
 Contralateral kidney | 6 (13%) |
 Lung | 6 (13%) |
 Bone | 3 (6%) |
 Adrenal | 2 (4%) |
 Pancreas | 1 (2%) |