La pyélonéphrite xanthogranulomateuse : principaux aspects en imagerie

Loffroy, Romaric; Varbédian, O.; Guiu, Boris; Delgal, A.; Michel, Françoise; Cercueil, Jean-Pierre; Krausé, D.

doi:10.1016/j.purol.2008.03.015

Cited by 12 publications

(9 citation statements)

References 12 publications

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“…The physical examination in case of XGP is not of great diagnostic value because it is most often negative. A lumbar mass is only found in 20% of cases [ 1 ]. This lack of symptoms leads in most cases to a late diagnosis which is usually made on histological examination.…”

Section: Discussionmentioning

confidence: 99%

“…In biology, we may find some non-specific abnormalities such an inflammatory anemia related to the chronic infectious process [ 4 ]. The rate of positive urine cultures in case of XGP ranges from 52 to 100% in the literature [ 1 , 3 , 4 ]. The most found bacteria are Escherichia coli and Proteus mirabilis [ 1 , 8 ].…”

Section: Discussionmentioning

confidence: 99%

“…The treatment of focal XGP is both medical and surgical [ 1 , 8 ]. Although the effectiveness of medical treatment based on antibiotic therapy alone has been reported in some cases of focal XGP like Fitouri et al.…”

Section: Discussionmentioning

confidence: 99%

“…Xanthogranulomatous pyelonephritis (XGP) is a rare form of chronic infection of the renal parenchyma which is histologically defined as a combination of chronic pyelonephritis lesions and xanthogranulomatous spume cells. Its pre-operative diagnosis is difficult due to the lack of evidence of specificity [ 1 , 2 ]. There are two aspects in which PXG presents, as a diffuse one, the most frequent, corresponding in fact to pyonephrosis and another pseudo-tumor focal form posing the problem of differential diagnosis with a renal tumor [ 1 ].…”

Section: Introductionmentioning

confidence: 99%

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Xanthogranulomatous pyelonephritis presenting as a cystic mass: a rare case report

Saadi

Bibi

Rekik

et al. 2021

Journal of Surgical Case Reports

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Xanthogranulomatous pyelonephritis may, rarely, occur as a renal cystic mass. We report a case report of a 50-year-old with a history of medically treated renal lithiasis, who consults for left low back pain. Imaging findings concluded to a Bosniak type-3 hemorrhagic cystic mass of the left kidney. The diagnosis of xanthogranumolatous pyelonephritis on its focal form was made histologically. The diagnosis of xanthogranulomatous pyelonephritis is often difficult even with surgical findings and frequently a histological surprise. This points out the importance of identifying it in pre-operative staging; the diagnosis may be suggested by the association of chronic pyelonephritis, renal stones and hypovascular renal tumor syndrome without specificity at sonography and CT.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Xanthogranulomatous pyelonephritis presenting as a cystic mass: a rare case report

Saadi

Bibi

Rekik

et al. 2021

Journal of Surgical Case Reports

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“…5 XGPN most frequently occurs in middle-aged women. 1,2,6,7 However, some authors have noted a male predominance, 8.9 or an equal exposure between genders. 10 Lesions are frequently unilateral.…”

Section: Discussionmentioning

confidence: 99%

Xanthogranulomatous pyelonephritis presenting as a pseudotumour

Chlif

Chakroun

Rhouma

et al. 2016

CUAJ

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Original research E36case series AbstractIntroduction: Xanthogranulomatous pyelonephritis (XGPN) is an atypical form of chronic pyelonephritis referred to as the ''great imitator'' because the clinical and radiological findings closely resemble other pathological entities, especially for the focal forms. Distinguishing focal XGPN from renal cancer is preoperatively difficult. Methods:We report a total number of 12 pseudotumoural XGPN cases diagnosed and treated in our department. The aim of this study is to try to better understand the clinicopathological profile of XGPN and improve its management. Results: The mean age of patients was 51.52 years. Gender ratio was 0.71. An obstructive renal calculus was noticed in nine patients (75%). Only one patient (8.3 %) presented with loin pain associated with fever, weight loss, asthenia, and increased biological inflammation markers. A bifocal mass was noticed in one case (8.3 %). The average size of the tumour was 6.58 cm. The mass was cystic in three cases (25 %). Perinephral fat strand, thickening of Gerota's fascia, hydronephrosis, and presence of renal calculi was noticed in all solid tumour cases. XGPN was suspected in only one case (8.3%), a percutaneous biopsy showed XGPN lesions treated by antibiotics and a double J drainage. Radical nephrectomy was performed in eight patients (66.7 %) and three patients underwent partial nephrectomy (25 %). No recurrence of XGPN has been noted. Conclusion: Pseudotumoural XGPN is a rare benign disease of the kidney. Its treatment should be conservative. Lack of knowledge of this disease may explain the high rate of abusive nephrectomies. These data should be considered in the future.

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Millet

2023

Imagerie De l'Appareil Urinaire De l'Adulte

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La pyélonéphrite xanthogranulomateuse : principaux aspects en imagerie

Cited by 12 publications

References 12 publications

Xanthogranulomatous pyelonephritis presenting as a cystic mass: a rare case report

Xanthogranulomatous pyelonephritis presenting as a cystic mass: a rare case report

Xanthogranulomatous pyelonephritis presenting as a pseudotumour

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