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Vet Comp Orthop Traumatol 2005; 18(02): 115-117
DOI: 10.1055/s-0038-1632933
Case Report
Schattauer GmbH

Fibrosarcoma over the tarsal groove of a 14-month-old Quarter horse

M. R. Story
1   Kansas State University, Veterinary Medical Teaching Hospital, Manhattan, Kansas, USA
,
E. M. Gaughan
1   Kansas State University, Veterinary Medical Teaching Hospital, Manhattan, Kansas, USA
,
G. A. Andrews
1   Kansas State University, Veterinary Medical Teaching Hospital, Manhattan, Kansas, USA
,
S. Balch
1   Kansas State University, Veterinary Medical Teaching Hospital, Manhattan, Kansas, USA
› Author Affiliations
Further Information

Publication History

Received 10 July 2003

Accepted 13 July 2004

Publication Date:
08 February 2018 (online)

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Summary

A 14-month-old male Quarter horse was presented for evaluation of a grade 3 out of 5 (grade 0=sound; grade 5=non-weight bearing) right rear lameness. A firm, 8 x 16 cm mass was palpable at the caudal medial aspect of the distal tibia and proximal tarsal region of the right hind limb. A percutaneous needle aspirate contained mesenchymal cells that were moderate to large in size with single, oblong nuclei. Differential diagnoses included fibrous hyperplasia, fibroma, or well-differentiated fibrosarcoma. Excisional biopsy for both definitive diagnosis and treatment was offered and selected by the owner. A fibrosarcoma was confirmed by histological examination of the mass. One and a half years after resection signs of lameness or evidence of regrowth of the mass were not evident.

Keywords

Horse - tumour - fibrosarcoma
 

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