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 to detrusor muscle?

Answer 2

• Sympathetic:
  
  • Inhibit contraction of the muscle (from L1, L2)
• Parasympathetic:
  
  • Stimulate contraction of the muscle (from S2-S4)

Question 2

How does ureter enter the bladder?

Answer 2

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

Question 3

What is the most common bladder cancer?

Answer 3

Transitional cell carcinoma (TCC)

Question 4

What are the peritoneal relations of the bladder?

Answer 4

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

Question 4

What is the diagnostic clinical sign of bladder cancer?

Answer 4

Painless hematuria

Question 4

Mention some risk factors of bladder cancer

Answer 4

• Aniline dyes
• Smoking
• β-naphthylamine
• Schistosoma haematobium

Question 5

What are layers encountered during suprapubic catheterization?

Answer 5

1. Skin
2. Subcutaneous tissue
3. Scarpa’s fascia
4. Linea alba
5. Fascia transversalis
6. Preperitoneal fat

Question 6

Posterior relations of the bladder?

Answer 6

• Male
  
  • Rectovesical pouch
  • Two vas deferens
  • Terminal part of the 2 ureters
• Female
  
  • Vesicouterine pouch
  • Terminal part of the 2 ureters