Value of Diffusion-Weighted MR Imaging for the Detection of Nephritis
Nine-year-old male patient presenting with pain in the right flank. Laboratory examination revealed increased leukocytes (12.2 × 109 cells/L) and CRP (153 mg/L). MRI scan with routine protocol for the abdomen was performed. It showed only slight signal alterations in T2 HASTE and T1w VIBE (postcontrast). DWI-b800 clearly depicted wedge-shaped, striated areas of high signal intensity in the right kidney with correlating low signal in DWI-ADC. The diagnosis of renal infection was finally done on the basis of clinical criteria.
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