Polyp Classifications
What classification is a way to describe morphology or shape of superficial lesions?
Paris Classification
Colorectal cancer is the _____ (1st, 2nd, 3rd) most common cancer diagnosed in both men and women in the US (excluding skin cancers)
3rd
What is the benefit of using a cold snare vs a hot snare?
Cold snaring does not coagulate as it cuts through tissue, so if the patient is going to bleed, it will be instant with a cold snare. Cold snaring can lead to less delayed bleeds.
Does Boston Scientific have a new snare on the market?
Yes! The Anrei Cold Snare!
What classification helps us to determine what the polyp likely "contains"? It uses color, surrounding vessels, and patterns to determine most likely pathology.
NICE Classification
Colorectal cancer occurs in 1 in every __ adult men. (must be within 2 of correct answer)
23
What are the two methods of tissue resection that use a lifting agent before resection?
EMR and ESD
What are a few risk factors for developing colorectal cancer? (name 3)
Obesity, physical inactivity, diets high in red and processed meats; cooking meats at high temperatures, low blood levels of vitamin D, smoking tobacco, moderate to heavy alcohol consumption, age > 50 years, personal or family history of adenomatous polyps or colorectal cancer
What classification often uses magnification and dye to look at pit patterns to visually diagnose polyps?
Kudo Classification
In people younger than 55 years of age, rates have been increasing by _ to _% a year since the mid-1990s
1-2%
Explain the difference between en bloc and piecemeal resection and what is the benefit of en bloc resection?
En bloc resection gives pathology the best possible specimen to determine whether the lesion was completely removed with proper margins and whether cancer is present.
What is the benefit of using a stiff snare for tissue resection?
Stiff snares minimize tip deflection.