Rectal Cancer: Preoperative Evaluation and Staging

  • Jorge MarcetEmail author


Preoperative staging of the patient with rectal cancer can provide valuable information to guide the selection of treatment options. The modalities used for preoperative staging include CT, ERUS, MR, and PET, each with its own advantages and disadvantages. These tests are complimentary, and staging accuracy improves when the tests are used in combination. The resolution of these tests drops in detection of micrometastases, and thus patients may be understaged. In contrast, patients with a significant peritumoral tissue reaction may be overstaged. Treating physicians should remain cognizant of the possibility of understaging or overstaging patients when making therapeutic plans.


Rectal cancer Preoperative staging Endorectal ultrasound CT MR PET 

Copyright information

© ASCRS (American Society of Colon and Rectal Surgeons) 2019

Authors and Affiliations

  1. 1.Department of SurgeryTampa General HospitalTampaUSA

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