Sketchy Path: Anorectal Disorders Flashcards
What type of nerve fibers are above the pectinate line?
Autonomic
automatic sensor
What nerve supplies below the petinate line?
Inferior rectal n.
(off pudendal)
(pudendal pedaler)
Dilaed vascular structures in the submucosa are also called?
Hemorrhoids
Hemorrhoids at which point of the line are not painful?
Above pectinate line
Painless blood coating the rectum describes what anal pathology?
Internal hemorrhoids
guy on the hemorrhoid pipes bleeding and waving as blood coats the boat
What drug has an assc with hemorrhoids and why?
Chronic Opiod use due to constipation
Why are hemorrhoids more common in pregnancy?
Increases intra-abdmonial pressure and IVC compression leading to venous pooling and engorgement
Pressure in the portal circulation can also cause external hemorrhoid, how?
Portal system anastomoses with systemic system and therefore the high pressure can cause hemorrhoids
Why is rectal prolapse more associated with women?
Previous vaginal deliveries weakens pelvic floor
What childhood illness is assc with anal prolapse?
Whooping Cough (B. pertussis) due to increase intra-abdominal pressure
Painful sacrococcygeal mass that is draining pus is called?
Pilonidal Abscess
Where are 90% of anal fissures found?
Posterior (top pf butt) near the midline
Most fissures are marked with what?
Skin tag
Anterior fissure should make you think what syndrome?
Crohn’s
What are the majority of cancers of the anus?
Squamous Cell Carcinomas
