CT findings in XGP include multiloculated low-density rounded areas throughout the enlarged kidney (bear’s paw sign). XGP MRI features include hyperintense (or isointense) appearance …

2023年1月1日 · The bear paw sign is a radiologic sign seen on computed tomography (CT) that indicates the development of xanthogranulomatous pyelonephritis (XGP). It refers to the …

2023年4月22日 · The image of a kidney resembles the appearance of the dark toe pads on a polar bear’s paw (↑). The term bear paw sign was proposed by Parker and Clark in 1989 [1]. …

The pathognomonic CT aspect is called the "paw sign" and it is characterized by hypoattenuating masses arranged in a “hydronephrotic” pattern, which replaces the renal parenchyma and …

2015年8月1日 · The most commonly described radiologic appearance is the “bear paw” sign, which is due to the presence of multiple, hypoechoic areas of the dilated collecting system with …

2018年12月28日 · The appearances mimicking the toe-pads of the paw (bear paw sign), and are characteristic of xanthogranulomatous pyelonephritis (XGP). Intravenous antibiotic agents …

1 天前 · Bear Paw Sign. Axial, enhanced CT of the right kidney displays a pattern of large "hydronephrotic" collections in the regions of the calyces in the shape of a bear's paw. The …

We retrospectively reviewed the CT images of 5 patients explored in our department with histopathological confirmed diffuse xanthogranulomatous pyelonephritis diagnostic and the …

Computed tomography of the abdomen and pelvis revealed xanthogranulomatous pyelonephritis with perinephric extension. The bear's paw sign was visualized. The classic radiology triad …

CT scan represents the gold-standard for the positive diagnosis of xanthogranulomatous pyelonephritis, showing the pathognomonic "paw sign"pattern. Also, the CT evaluation plays …