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Fig. 1 | BMC Cancer

Fig. 1

From: Long-term outcomes and recurrence pattern of 18F-FDG PET-CT complete metabolic response in the first-line treatment of metastatic colorectal cancer: a lesion-based and patient-based analysis

Fig. 1

Discordance between PERCIST and RECIST criteria in a 66-year-old male patient with kras wild-type T4N1M1 recto-sigmoid adenocarcinoma. Top row: PET and CT images performed at baseline after surgical resection of the primary tumor. a Maximum-intensity-projection (MIP) image shows a hypermetabolic mass in segment V/VIII of the liver (blue arrow 1). b Corresponding contrast enhanced CT image confirming the presence of a liver metastasis (white arrow 2). Bottom row: PET and CT images after 10 cycles of XELOX and cetuximab. c MIP image shows CMR compared to (d) CT image demonstrates a residual lesion (white arrow 3). The patient was considered to have partial response to treatment by RECIST criteria. The patient was considered to have progressive metabolic disease after 5 months of complete metabolic response

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