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Fibromyxoma in the reticulo-omasal orifice of a cow

Fibromyxoma in the reticulo-omasal orifice of a cow 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 × 8 × 5 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Comparative Clinical Pathology Springer Journals

Fibromyxoma in the reticulo-omasal orifice of a cow

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References (18)

Publisher
Springer Journals
Copyright
Copyright © 2013 by Springer-Verlag London
Subject
Medicine & Public Health; Pathology; Hematology; Oncology
eISSN
1618-565X
DOI
10.1007/s00580-013-1709-5
Publisher site
See Article on Publisher Site

Abstract

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 × 8 × 5 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.

Journal

Comparative Clinical Pathology – Springer Journals

Published: Feb 24, 2013

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