Colorectal cancer

(Redirected from Colon cancer)


  • Colorectal cancer is extremely common

Clinical Features

Differential Diagnosis

Undifferentiated lower gastrointestinal bleeding

LLQ Pain

Anorectal Disorders


  • CBC, LFTs, coags if bleeding or signs of hepatic involvement
  • CT abdomen- not definitive but may catch large mass or other alternative diagnoses
  • Definitive diagnosis not likely to be made in ED, but suggestion of malignancy may be made on imaging if large mass seen
    • Colonoscopy with biopsy
    • Serum CEA
    • Surgical pathology


  • Transfuse pRBCs prn for anemia
  • Consult surgery for obstruction or perforation
    • May also help coordinate outpatient diagnostic workup


  • Discharge if clinically stable

See Also

External Links