Presentation
Fever, leukocytosis and abdominal pain.
Patient Data
Age: 55 years
Gender: Female
From the case:
Acute pyelonephritis
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Focal area of hypo-enhancement and blurring of the corticomedullary differentiation at the upper pole of the left kidney, best seen on the coronal images.
Case Discussion
Among the changes of acute pyelonephritis, hypoperfusion due to reactive vasospasm causes hypoperfusion of part of the kidney which can the seen as an area of hypoenhancement.