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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)  
  1. Patients with synchronous and metachronous gallbladder metastases are highlighted in italic