Mock Test 2 • 1 March 2026 | Rectal Surgical Anatomy
A 60-year-old man undergoes total mesorectal excision for low rectal cancer. During posterior dissection, a dense fascial condensation at the level of S4 is divided to enter the deep retrorectal space.
All of the following statements regarding Waldeyer fascia are true EXCEPT:
A. It forms the anterior boundary of the mesorectum and separates the rectum from the prostate
B. It connects the presacral fascia to the fascia propria of the rectum
C. It is usually encountered at the level of the fourth sacral vertebra
D. Division allows entry into the deep retrorectal space