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Biomedical subjects

S A Vural

Publications and source records attributed to S A Vural.

4 recordsLinked to original sources

Diffuse mesenteric lipodystrophy (massive fat necrosis) in a cat.

Clinical, radiographic, and pathological findings of diffuse mesenteric lipodystrophy in a 3-year-old, female domestic short-haired cat are described. The animal had fallen from a height of approximately 20 metres 6 weeks previously, after which it developed respiratory distress and anorexia. The cat was thin, exhausted and had rapid, shallow, open-mouthed breathing. Serial upper gastrointestinal contrast radiographs showed a prolonged transit time of the contrast medium due to restricted gastric emptying, and filling defects of the duodenojejunal portions of the small intestines. The cranial abdominal cavity contained large, firm, white masses that adhered to most of the anterior abdominal organs. The intestinal walls were completely surrounded by large, hard, lobulated masses of lipomatous tissue. The masses were characterised histologically by extensive areas of coagulative necrosis of adipocytes containing foci of saponification. The lesions resembled those of massive fat necrosis or lipomatosis in cattle, pigs and deer.

Accidental Falls↗

Immunohistochemical and histopathological studies of fixed rabies virus in goats.

The purpose of this study was to systematically demonstrate and compare the pathological and immunohistochemical changes in goats which were infected by a fixed rabies virus that was used in vaccine production. In the histopathological examinations, varying degrees of inflammatory, degenerative and necrotic changes were detected in the central nervous system. In the preparations stained by the immunoperoxidase (IP) method, intra- and/or extracellular viral antigens were observed on the cerebellum, cornu ammonis, thalamus, pons, nucleus caudatus, spinal cord, medulla oblongata, Gasserian ganglion, eye and retropharyngeal lymph nodes. In the preparations stained by the immunofluorescence (IF) method, intra- and/or extracellular viral antigens were seen in the same locations with the exception of the retropharyngeal lymph nodes. It was also observed that the antigens were qualitatively and quantitatively well stained with both methods. However, the visibility of antigens in the retropharyngeal lymph nodes and eye, and the facilities of applying made the IP method much more advantageous than the IF method.

Animals↗

Generalized tuberculosis in a 45 day-old calf.

The objectives of the present study were to describe pathomorphological and immunohistochemical features of generalized natural tuberculosis in a 45 day-old female calf. The characteristic lesion of tuberculosis was productive type which was located in the lung, liver, and especially in the lymph nodes (mediastinal, bronchial, mesenterial, portal, prescapular, renal and caudal sternal lymph nodes). Mycobacterium bovis antigens were seen generally in the cytoplasma and around the macrophages, rarely in necrotic areas and Langhans giant cells by avidin-biotin complex peroxidase method.

Animals↗