Pseudoaneurysm after angiography.
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Biomedical subjects
Publications and source records attributed to S Perl.
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An unusual case of fibroma on the end of the tail of a 7-year-old cross-breed cow. The most prominent clinical findings were the size and weight of the tumour, and the tail length. The extension of the tail was apparently caused by the weight of the tumour.
Entropion and periorbital dermatitis in an Assaf ram are reported. The severe clinical, pathological and histopathological findings are described. Parent animals of concern must be excluded from further breedings as the condition is inherited. The consequences of a such congenital condition in a ram and the recommendations are discussed.
Two cases of myxoma and one case of melanocytoma of enormous size in three aged cows are described. The conditions had a clinically benign course, and there was no physical evidence of metastasis in the regional lymph nodes. All cases were cured by surgical excision.
Necropsy records and causes of mortality of ostriches up to 3 months old over a 5-year period (1989-1993) are presented. The data relate to one ostrich enterprise that comprises 10 breeding flocks, five rearing farms, and one hatchery. Causes of mortality are classified into nine major categories. The annual mortality percentages of all hatched ostriches over the 5-year period were 61%, 58%, 30%, 29%, and 16.6%, and the most significant cause of death was a paresis syndrome that accounted for 20%, 11%, 16%, 10.1%, and 2% mortality, respectively. Limb deformities and gastroenteritis were the other principal specific causes of mortality. The paresis syndrome was caused by an agent serologically related to Borna disease virus. Brain extracts from paralyzed ostriches, when given orally or intramuscularly to 5-week-old birds, reproduced the clinical signs and microscopic lesions. The mean time to death was less than 3 weeks for the intramuscularly infected group and was almost twice as long for the orally infected group.