Presentation
A young woman presenting with fever, chills and abdominal pain.
Patient Data
Age: 20 years
Gender: Female
From the case:
Acute bilateral pyelonephritis
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Multiple hypoenhancing areas in both kidneys, giving striated nephrogram appearance. The hypoenhancing regions involve the cortical rim, a feature differentiating them from acute cortical necrosis (rim sign). Also, note the perinephric fat stranding.
Case Discussion
Acute pyelonephritis generally involves a single kidney. Bilateral involvement is uncommon and presents with more severe symptoms.
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