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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 1 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 1

From: Accuracy of 18F-FDG PET/CT in monitoring therapeutic response and detection of loco-regional recurrence and metastatic deposits of colorectal cancer in comparison to CT

Fig. 1

A 36-year-old female patient with given history of treated cancer rectum 3 years ago (surgery, chemo and radiotherapy). Recent follow-up CT showed progression of pre-sacral soft tissue sheet and mild recto-sigmoid mural thickening, the patient came for PET/CT assessment. a–c Axial, coronal, and sagittal CT images of the pelvis showed pre-sacral soft tissue thickening extending to the terminal part of the colon which itself demonstrates circumferential thickening. d–f Axial, coronal, and sagittal fused PET/CT images of the pelvis. PET/CT showed increased FDG uptake with SUVmax 16.4 corresponding to this soft tissue thickening and proved to be local tumor recurrence

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