Urinary Bladder

Question 1

What is the blood supply of the urinary bladder?

Answer 1

Arterial - superior and inferior vesical arteries from the internal iliac artery

Venous - to vesical venous plexus > internal iliac vein

Question 2

What is the nerve supply of the detrusor muscle?

Answer 2

Sympathetic - inhibits contraction of the muscle (L1, L2)

Parasympathetic - stimulate contraction of the muscle (from S2 - S4)

Question 3

What are the most common bladder cancers?

Answer 3

TCC
SCC
Mixed
Adenocarcinoma

Question 4

What is the most common presentation of bladder cancer?

Answer 4

Painless haematuria

Question 5

What are the risk factors for bladder cancer?

Answer 5

Aniline dyes
smoking
Beta-naphthylamine
Schistosoma haematobium

Question 6

How does the ureter enter the bladder?

Answer 6

At the base of the bladder at the corner of the trigone

Question 7

What are the peritoneal relations of the bladder

Answer 7

Cover the superior surface and the upper part of the posterior surface

Question 8

What are the layers encountered during SPC insertion

Answer 8

Skin
Subcut tissue
Scarpa’s fascia
Linea alba
Fascia transversalis
Preperitoneal fat

Question 9

What are the posterior relations of the bladder in males and females?

Answer 9

Male
- rectovesical pouch
- two vas deferens
- terminal part of the 2 ureters

Female
- vesicouterine pouch
- terminal part of the 2 ureters