Xanthogranulomatous Pyelonephritis with Nephrocutaneous Fistula at the Knee

Arango, O.; Rosales, Alberto Javier Ortega; Gelabert, Antoni

doi:10.1111/j.1464-410x.1991.tb15235.x

Cited by 9 publications

(3 citation statements)

References 2 publications

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“…The lumbocostal triangle, a relatively weak area of diaphragm, can transmit infection into the thoracic cavity which may cause nephrobronchial fistulas and lung abscess [9] . Cutaneous fistula occurs mostly into ipsilateral flank region, but unusual localizations such as knee were previously reported [10] . XGP presented with spontaneous expulsion of renal calculi is extremely rare.…”

Section: Discussionmentioning

confidence: 99%

Unusual case of nephrocutaneous fistula – Our experience

Puthenveetil¹,

Baishya²,

Barua³

et al. 2016

Asian Journal of Urology

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A rare case of nephrococutaneous fistula due to spontaneous expulsion of renal calculi is described. A 45-year-old man presented with urinary leakage from an ulcer over the left lumbar region for the last 3 months after a history of spontaneous expulsion of stones from this area. Ultrasonography abdomen revealed a small contracted kidney with multiple calculi in the kidney and renal pelvis, sinus tract from the lower pole of the left kidney with a ruptured calyceal calculus in the sinus tract. CT urography revealed a non excreting left kidney with multiple renal calculi, with hyperdense collection in the renal parenchyma extending to the subcutaneous tissue and left lung suggesting a xenthogranulomatous pyelonephritis (XGP). We performed a left-sided simple nephrectomy with excision of the fistulous tract. Histopathological examination revealed XGP. There have been a few case reports of XGP forming nephrocutaneous fistula in the back.

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Section: Discussionmentioning

confidence: 99%

Unusual case of nephrocutaneous fistula – Our experience

Puthenveetil¹,

Baishya²,

Barua³

et al. 2016

Asian Journal of Urology

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“…If left untreated, the resulting perinephric abscess can communicate with other organs or discharge through the skin. Cutaneous fistulae and sinuses, although rare, have been reported in the loin, groin, knee, thigh and axilla [ 1–3]. Nephrectomy and excision or curettage of the sinus tract is the treatment of choice.…”

Section: Commentmentioning

confidence: 99%

Neglected staghorn calculus presenting as a gluteal sinus

Ravi

Awogu

1999

BJU International

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“…The clinical and radiological features can mimic those of neoplastic disease and it can be misdiagnosed in the clinical setting. Fistula and sinus formation are rare in XPN but are well reported [1,2], Malek and Eider [3] graded XPN into three stages based on the extent of involvement of the kidney and its sur rounding tissue: stage I (nephric) is a localised disease confined to the renal parenchyma; stage 11 (perinephric) lesions involve perinephric fat, and stage 111 (paranephric) lesions extend into the perirenal and pararenal spaces and may involve surrounding structures leading to abscess or sinus formation.The fascial planes around the kidney guide the direc tion of the expanding lesion. The anterior and posterior layers of the renal fascia subdivide the retroperitoneal tis sues on either side of the spine into three potential spaces: the posterior space contains the pararenal fat and the intermediate space contains the kidney, the suprarenal gland and the perirenal fat.…”

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confidence: 99%