Anal Cancer

Definitions

• Initial Work up and Staging refers to imaging studies that are part of the routine evaluation of a patient prior to therapy
• Restaging After Treatment refers to recommendations for studies to be performed regardless of the clinical status of the patient after completion of an episode of treatment.
• Evaluation for Change in Clinical Status refers to examinations ordered to evaluate new or worsening signs and symptoms.
• Surveillance Imaging refers to recommendations for imaging to be performed at intervals following therapy regardless of the clinical status of the patient.

Initial Work Up and Staging

• CT or MRI Chest, Abdomen and Pelvis OR
• PET/CT

Restaging after treatment

Evaluation for Change in Clinical Status

• As clinically indicated

Surveillance Imaging (Patient stable after treatment)

• CT or MRI Chest, Abdomen and Pelvis annually for three years

References

• NCCN Guidelines V1.2012 Anal Carcinoma page Anal-3 accessed 12/29/10
• NCCN Guidelines Version 2.2012 Anal Carcinoma accessed 7/8/2012
• Diagnostic Imaging Oncology; Shaaban et al eds.; Amirsys Corp. 2012; Anal Canal Carcinoma p 4-125
• Winton E, Heriot AG, Ng M, Hicks RJ, Hogg A, Milner A, Leong T, Fay M, MacKay J, Drummond E, Ngan SY The impact of 18-fluorodeoxyglucose positron emission tomography on the staging, management and outcome of anal cancer. Br J Cancer. 2009 Mar 10;100(5):693-700.
• NCCN Guidelines Version 2.2015 Anal Carcinoma accessed 5/5/15