Lynelle/Willard Notes Flashcards
Polypectomy only
benign adenomas, carcinoma in situ only
Scattered mets throughout the peritoneum?
carcinomatosis
How does 5-FU work?
pyrimidine analog- antimetabolite- blocks DNA/RNA synthesis
When is neoadjuvant therapy used?
T2-T3, or node + RECTAL CA
When is adjuvant therapy used?
stage 3, node + disease
mucosa - submucosa - muscularis propria - serosa
yup
What wall of bowel triggers chemo?
serosa
Where will mets from a tumor at 2cm from the anus occur?
lungs
Where will mets from a tumor at 7cm from the anus occur?
x
total mesorectal incision (TME)
takes every possible node in colorectal CA
More than one tumor found on initial workup?
total colectomy
Hartmans pouch
x
What contrast if you’re looking for lymph nodes?
IV
Tumor staging: anything perforated is always stage ___.
4
To serosa = what stage?
3
Through serosa = what stage?
4
s/s retroperitoneal hematoma?
recent cardiac cath
heparin
sudden onset hypotension, tachycardia, flat neck veins
back pain
What is found in the submucosa?
BVs
What is the tx plan for a T1 colon CA lesion? Why?
hemicolectomy bc of the microvascular invasion
If an arterial puncture site is above the inguinal ligament, a hematoma can extend into the ____.
retroperitoneal space
How will a retroperitoneal bleed present?
sudden hemodynamic instability
ipsi flank or back pain
How is a retroperitoneal bleed diagnosis confirmed?
non-contrast CT
What cancers are involved in Lynch syndrome?
ovarian
endometrial
colon
What are common organisms causing emphysematous cholycystitis?
Clostridium
some e. coli
