Background: Prevention and treatment of peritoneal metastases from colon cancer is currently under a critical reevaluation. An expanded role of the radiologist in imaging the peritoneum and extrahepatic structures is crucial to progress in this endeavor.
Methods: The critical role of radiology in the evaluation of a primary colon cancer and in diagnosis and assessment of recurrent colon cancer is evaluated.
Results: For primary colon cancer the radiologist should forewarn the multidisciplinary team of patients whose malignancy is at high risk for peritoneal metastases and for local recurrence. In recurrent colon cancer a quantitative assessment of the concerning radiologic features are of help to select patients for reoperation.
Conclusion: An improved primary surgical treatment strategy and more knowledgeable patient selection for reoperation can result from this information.
Keywords: CT; Concerning CT features; MRI; PET-CT; Peritoneal metastases; Primary colorectal cancer; Recurrent colorectal cancer.
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