BotMed
Calculator
DDX
Topics
Conditions
Conditions by Topic
Cases
About
Log in
Condition Info
ConditionName
Colorectal cancer
ConditionDescription
Symptoms
Change in bowel habits; Ab pain; RLQ; LLQ; Most - left side. May cause change of stool caliber; Constipation; +/- Diarrhea; Hematochezia; Melena; Weakness; Fatigue; Weigh loss;
PhysicalFindings
ClinicalTests
Iron def anemia in elderly male or post-meno female – colorectal cancer until proved otherwise; ↑CEA – 70%; Colonoscopy with biopsy (screening test); FOBT (screening test);
RiskFactors
Adenomatous colon polyps; Hereditary polyposis; Family history; Previous colon cancer; UC and CD (IBD); Low fiber/high fat diet; Increased meat consumption; Alcohol; Smoking; DM; Age;
IsRedFlag
IsNPLEX
Consequence
Surveillance: CEA every 3 m for 3 years; CT of the chest/ab/pelvis every year; Colonoscopy 1,3,5 year;
ProgressionFromCondition
TreatmentOptions
PharmOptions
Surgery; At least 20 lymph nodes has to be tested for cancer -> chemo if positive;
WebLink
https://www.merckmanuals.com/professional/gastrointestinal-disorders/tumors-of-the-gastrointestinal-tract/colorectal-cancer
Back to Conditions