Urinary Bladder CA

Question 1

bladder ca path

Answer 1

• 98% epithelial in origin
• 92% transitional cell carc
• 6-7% SCC
• 1-2% adenocarc

Question 2

bladder ca usual spread

Answer 2

direct extension thru wall of bladder

Question 3

bladder ca mets

Answer 3

• lung
• bone
• liver

Question 4

bladder ca usual tx

Answer 4

radical cystectomy= usu curative

Question 5

bladder xrt typical field arrangement

Answer 5

4 fld

Question 6

one of the most common sites for bladder carc

Answer 6

trigone

Question 7

bladder xrt pre op dose

Answer 7

45-50 Gy

Question 8

bladder xrt only dose

Answer 8

45-50 Gy

boost to 65-70 Gy

Question 9

bladder 4 field inf margin

Answer 9

1 cm

Question 10

bladder 4 field lat margin

Answer 10

1.5 cm

Question 11

bladder 4 field post margin

Answer 11

2 cm

Question 12

bladder 4 field sup margine

Answer 12

S1-L5 sup