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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 5 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 5

From: Role of PET/CT in the follow-up of postoperative and/or post-therapy cancer rectum: comparison with pelvic MRI

Fig. 5

a–d PET-CT study for the same patient in Fig. 4. Fused PET/CT images a, b coronal and sagittal, c, d axial images, revealed excellent agreement with MRI regarding the T category; showing metabolically active circumferential polypoidal mural thickening of the lower 1/2 of the rectum/ anorectal junction seen with max SUV ~ 5.38. However PETCT showed complete disagreement with MRI regarding the nodal assessment; as PET/CT revealed mostly calcified metabolically inactive (non FDG avid) mesorectal lymph nodes measuring up to 1.3 cm (regardless their shape, number and size)

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