NSE 13A/B Chapter Notes - Chapter 23: Benign Prostatic Hyperplasia, Pubic Symphysis, Anal Canal
Document Summary
Anus and rectum: anal canal: outlet of gi tract, ~3. 8cm long in adults o o. Sphincters: concentric layers of muscle surrounding the anal canal. Rectum: distal portion of the large intestine, ~12cm long: valves of houston: semilunar transverse folds. Prostate gland lies in front of the anterior wall of the rectum and 2cm behind the symphysis pubis o. Begins to enlarge during the middle adult years. Benign prostatic hypertrophy (bph): present in 1/10 men age 40, increases with age. Thought to be caused by a hormonal imbalance that leads to the proliferation of benign adenomas. Gradually impede urine output because they obstruct the urethra. Do the bloody stools have a particular smell: have you ever had clay-colored stools, have you ever had mucus or pus in stool? o. Medications: what medications do you take: prescription and over-the-counter? o. Additional history for infants and children o.