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  Indian J Med Microbiol
 

Figure 3: (a) Precontrast coronal section shows large left renal staghorn calculus with enlarged, hydronephrotic kidney. (c) Reveals arterial phase of contrast-enhanced computed tomography, depicting arterial enhancement in the lower pole cortex of left kidney. (b) Axial section of postcontrast delayed phase at the level of lower pole cortex. Persistent parenchymal enhancement, perinephric fat stranding, and thickening of Gerota's fascia was seen (arrows). The contrast-enhanced computed tomography scan findings suggested a diagnosis of acute pyelonephritis involving lower pole of left kidney. (d) Sagittal contrast-enhanced computed tomography section shows that the perinephric fat stranding is extending inferoposterior to lower pole of left kidney

Figure 3: (a) Precontrast coronal section shows large left renal staghorn calculus with enlarged, hydronephrotic kidney. (c) Reveals arterial phase of contrast-enhanced computed tomography, depicting arterial enhancement in the lower pole cortex of left kidney. (b) Axial section of postcontrast delayed phase at the level of lower pole cortex. Persistent parenchymal enhancement, perinephric fat stranding, and thickening of Gerota's fascia was seen (arrows). The contrast-enhanced computed tomography scan findings suggested a diagnosis of acute pyelonephritis involving lower pole of left kidney. (d) Sagittal contrast-enhanced computed tomography section shows that the perinephric fat stranding is extending inferoposterior to lower pole of left kidney