The early judgement of the efficacy of the applied chemotherapy in metastatic colorectal cancer with PET

Objectives: The PET-CT is a widely used imaging method in the well developed countries, and it is getting more and more available in Hungary as well. We want to determine whether the PET is appropriate in early judgment of the efficiency of chemotherapy in metastatic colorectal cancers. Methods: Since 15 July 2005, we have examined 20 patients with histologically proven colorectal carcinoma of having at least one hepatic metastasis which could be well visualized also with CT scan. We compared the SUV values before and after the first two cycles of irinotecan + de Gramont chemotherapy. The changes of the values w…