Table 2 Patient, primary tumour and gallbladder metastasis characteristics
From: Two cases of gallbladder metastasis from renal cell carcinoma and review of literature
Parameter | No. of patients (%) or median (range) | No. of patients available for analysis |
|---|---|---|
Median age (years) | 62.5 (39–84) | 52/52 |
Sex | 52/52 | |
Male | 35 (67.3) | |
Female | 17 (32.7) | |
Stage of RCC at presentation | 34/52 | |
1 | 5 (14.7) | |
2 | 4 (11.8) | |
3 | 6 (17.6) | |
4 | 19 (55.9) | |
Timing | 52/52 | |
Synchronous | 16 (30.8) | |
Gallbladder only | 9 (17.3) | |
Gallbladder with other metastasis | 7 (13.5) | |
Metachronous | 36 (69.2) | |
Gallbladder only | 21 (40.4) | |
Gallbladder with other metastasis | 14 (26.9) | |
Unknown | 1 (1.9) | |
DFI, years | 4 (0.25–27) | 35/35 |
Presentation | 39/52 | |
Symptomatic | 10 (25.6) | |
Radiographic | 29 (74.4) | |
Median size of gallbladder tumour, cm | 25 (8–75) | 44/52 |
Extent of invasion of gallbladder | 20/52 | |
Mucosa | 13 (65) | |
Muscularis mucosa | 4 (20) | |
Subserosa | 3 (15) | |
Marcoscopic appearance | 50/52 | |
Polypoid/pedunculated | 46 (92) | |
Mass/nodule | 4 (8) | |
Presence of gallstones | 45/52 | |
No | 38 (84.4) | |
Yes | 7 (15.6) | |
Pathology | 39/52 | |
Clear cell RCC | 38 (97.4) | |
RCC type not specified | 1 (2.6) |