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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.

There is a lack of reports describing ultrasonographic and histopathologic features of ocular diseases in donkeys. The present study aimed to document ultrasonographic and histopathologic changes associated with common ocular diseases in donkeys. The study included 45 donkeys (64 eyes) with ocular diseases that had reached the end of their working lives and requested to be used for educational and research purposes. Complete clinical, ophthalmic, ultrasonographic, gross pathologic and histopathologic examinations were included. Ocular abnormalities were documented, tabulated, and analyzed. Seventy-five ocular abnormalities were diagnosed with multiple involvements within the same eye including anterior uveitis (n = 13; 22.8%), cataract (n = 57; 76%), retinal detachment (n = 3; 4%), lens and phthisis bulbi (n = 2; 2.6%). Descriptive ultrasonographic findings of ocular abnormalities were included. Gross pathologic and histopathology findings confirmed the ultrasonography findings. Ultrasonography provided a clinically useful tool offering insight into detailed intraocular structures especially with opacification of the dioptric structures of the eye.

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