Fibromyxoma in the reticulo-omasal orifice of a cow

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• 作者：Ahmad Reza Movassaghi (1)
  Gholamreza Mohammadi (2)
  Massoud Rezaee Oghazi (3)
  
• 关键词：Cow ; Reticulo ; omasal orifice ; Fibromyxoma
• 刊名：Comparative Clinical Pathology
• 出版年：2013
• 出版时间：May 2013
• 年：2013
• 卷：22
• 期：3
• 页码：535-537
• 全文大小：151KB
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• 作者单位：Ahmad Reza Movassaghi (1)
  Gholamreza Mohammadi (2)
  Massoud Rezaee Oghazi (3)
  
  1. Center of Excellence in Ruminant Abortion and Neonatal Mortality, Department of Pathobiology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, P.O. Box 91775-1793, Mashhad, Iran
  2. Department of Clinical Science, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, P.O. Box 91775-1793, Mashhad, Iran
  3. Department of Pathobiology, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, P.O. Box 91775-1793, Mashhad, Iran
  
• ISSN：1618-565X

文摘

A 3-year-old female Holstein cow was referred for necropsy examination with the history of inappetence, progressive indigestion, distension of the rumen and death. At necropsy examination, a lobulated grey-white mass (12?×-?×-?cm) was found close to the reticulo-omasal orifice. On sectioning, the tumour mass was gelatinous with intervening fibrous septa. Microscopical examination revealed unencapsulated mass composed of various cellular parts and matrices. There were proliferated spindle shaped fibrocytes producing repetitive collagenous fibres. There were also foci of low cellularity containing stellate cells with small and hyperchromatic nuclei arranged in a mucinous ground substance. On the basis of the gross and histopathological findings and histochemical stainings, the tumour was diagnosed as a fibromyxoma. This tumour has not been recorded previously in the reticulo-omasal orifice of a cow.