Spontaneous nephro-cutaneous fistula with pyonephrosis in two dogs: two case reports

Oh, Kangho; Son, Chang H.; Park, C.H.

doi:10.17221/184/2015-vetmed

Cited by 2 publications

(2 citation statements)

References 10 publications

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“…In small animals, fistula frequently occurs in the lumbar, paralumbar, and flank areas (6,16,19). Cases of fistula connection between kidney and retroperitoneal skin have been reported in dogs but without foreign body association (20,24). As described previously, in humans and dogs, fistula may affect kidney through suppurative lesion which requires surgical resection of the affected kidney for complete resolution (2,15,20,24).…”

Section: Discussionmentioning

confidence: 93%

“…The terms fistula and draining tract are used to explain abnormal passages between internal organs or cavities, or leading from an organ or cavity to the skin (4,19,20). The differential diagnosis of fistula in dogs includes bacterial, fungal, and parasitic infections, as well as neoplastic changes, foreign bodies, and inflammatory and systemic conditions (11,24). A previous report showed that 15 of the 25 cases diagnosed as fistula were because of foreign bodies (19).…”

Section: Introductionmentioning

confidence: 99%

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Retroperitoneal Suppurative Fistula Caused by Remnant Suture Material in a Poodle Dog

et al. 2021

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An eight-year-old, 3.4 kg, spayed female poodle dog was referred to Gyeongsang National University Animal Medical Center with obstinate bilateral retroperitoneal subcutaneous abscess. The medical history revealed ovariohysterectomy (OHE), lipoma, and mammary gland tumor excision performed two years ago. The dog presented with left retroperitoneal subcutaneous abscess discharge five months back and was treated by abscess drainage and antibiotics in a local veterinary hospital, but a relapse was reported on discontinuing antibiotics. On physical examination, the dog was febrile (40°C) and both retroperitoneal masses showed typical inflammatory reaction and purulent discharge. On serum chemistry analysis, hyperproteinemia, hyperglobulinemia, and elevated levels of C-reactive protein were observed. Cytologic examination showed degenerative neutrophils and phagocytic macrophages. Radiological examination revealed encapsulated hypoechoic subcutaneous masses in bilateral abdominal flank and the left flank mass was connected with the caudal pole of left kidney through fistula. Based on the diagnostic examination, exploratory celiotomy was recommended and left nephrectomy, and resection of bilateral masses were performed. During procedure, fistula between caudal pole of left kidney and left subcutaneous abscess was detected and suture material was identified. Resected tissue was histologically examined and diagnosed as suppurative abscess caused by the suture material. This case report describes chronic suppurative foreign body reaction including caudal pole of left kidney and bilateral retroperitoneal subcutaneous masses induced by the suture material used in OHE two years ago and the necessity of computed tomography examination to identify character of mass and extent of surgical resection.

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Section: Discussionmentioning

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Retroperitoneal Suppurative Fistula Caused by Remnant Suture Material in a Poodle Dog

et al. 2021

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First report of nephrocutaneous fistula in a cat

Abu‐Seida

Elsharkawy

Wafy

et al. 2022

BJVM

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Nephrocutaneous fistula (NCF) is a very serious rare renal disorder that had not been recorded in cats. This case report describes - for the first time - the features and treatment of a nephrocutaneous fistula in a 3-year-old female intact Persian cat. The cat was referred with a history of lethargy, anorexia, vomiting and recurrent abscess discharging purulent material at the right flank region. Moreover, the cat had a history of cystitis, urethritis and urethral obstruction since 12 months. Physical, laboratory, radiographic and ultrasonographic examinations were performed. The cat was treated with simple nephrectomy and excision of the fistulous tract. The animal showed dehydration, fever, painful abdominal palpation, right nephromegaly, anaemia, neutrophilic leukocytosis and moderate azotaemia. Abdominal radiographs revealed a large radiodense mass at the mid abdomen displacing the intestine caudally. Ultrasonography revealed a renal abscess with marked enlargement of the right kidney, hyperechoic purulent content and loss of parenchymal details of the right kidney. Complete recovery of the cat without any complications was seen after surgical treatment. In conclusion, nephrocutaneous fistula should be listed as one of renal diseases in cats. Nephrectomy as well as excision of the fistulous tract appear to be successful in the treatment of this disorder in cats.

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Spontaneous nephro-cutaneous fistula with pyonephrosis in two dogs: two case reports

Cited by 2 publications

References 10 publications

Retroperitoneal Suppurative Fistula Caused by Remnant Suture Material in a Poodle Dog

Retroperitoneal Suppurative Fistula Caused by Remnant Suture Material in a Poodle Dog

First report of nephrocutaneous fistula in a cat

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