09 - urinary bladder neoplasia

Question 1

more common in cats or dogs?

Answer 1

1. dogs (rare in cats)

Question 2

most common type?

Answer 2

TCC

(also lymphoma, fibroma, rhabdomycosarcoma, papilloma, SCC, and adenocarcinoma)

Question 3

(TCC)

1. more common in female or male dogs?
2. how malignant?
3. what breed gets alot?

Answer 3

1. female
2. Very malignant by time of dx
3. scottish terriers

Question 4

(TCC)

1. 2/3 occur where in bladder?
2. 30% of males have protastic invasion

Answer 4

1. trigone

Question 5

many dogs with TCC have secondary bacterial UTI

Question 6

(bladder neoplasia)

(UA)

1. see what on sediment?
2. don’t do cytso! can seed cells

Answer 6

1. hematuria, pyuria, neoplastic cells (often in clumps)

Question 7

(bladder neoplasia)

(dx)

1. imaging: enlarged kidneys or bladder with obstruction, sublumbar lymphadenopathy from mets, thickening of bladder
2. what is required for definitive dx?

Answer 7

2. bx

Question 8

(bladder neoplasia)

(tx)

1. what is the tx of choice?
2. how well does TCC respond to chemo?

lymphoma?

Answer 8

1. surgical excision using partial cystectomy
2. not well

well

Question 9

(bladder neoplasia)

long-term prog is poor