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Insights into Imaging
Fig. 6 | Insights into Imaging

Fig. 6

From: An update on Burkitt lymphoma: a review of pathogenesis and multimodality imaging assessment of disease presentation, treatment response, and recurrence

Fig. 6

Renal collecting system involvement. A 24-year-old male presenting with abdominal and lower back pain. a Contrast-enhanced axial CT image demonstrates an infiltrative soft tissue mass (arrow) encasing the right renal collecting system with resultant dilated renal pelvis and urothelial thickening. b Corresponding sagittal grayscale ultrasound image (b) demonstrates obliteration of the normal renal sinus fat by hypoechoic tissue encasing the renal pelvis (arrow). Follow-up MRI with (c) coronal T2-weighted, (d) coronal T1-weighted post contrast, and (e) axial apparent diffusion coefficient images shows a right renal pelvis mass with associated diffusion restriction (solid arrows) with edema and delayed enhancement of portions of the right renal parenchyma (dashed arrows). f Follow-up fused axial PET-CT demonstrates associated hypermetabolic activity (arrow)

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