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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 4 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 4

From: FDG-PETCT versus contrast-enhanced computed tomography in diagnosis of post-therapeutic colorectal cancer recurrence and metastases

Fig. 4

A 40-year-old male patient who underwent rectal resection for pathologically proven mucinous adenocarcinoma, not followed by chemo or radiotherapy. Follow-up revealed elevated level of tumor markers. a, b Axial post-contrast CT images showing multiple small sized hypodense non-enhancing hepatic focal lesions (arrows). c, d Axial fused PET/CT images showing no avid metabolic hepatic focal lesions at the same levels which proved to be metastatic deposits

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