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Haemangiosarcoma in two full sibling American Quarter Horse geldings
Author(s) -
Fontenot R. L.,
Lack A. C.,
Maslin W. R.,
Bowser J. E.
Publication year - 2020
Publication title -
equine veterinary education
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 31
eISSN - 2042-3292
pISSN - 0957-7734
DOI - 10.1111/eve.12934
Subject(s) - medicine , horse , incidence (geometry) , quarter (canadian coin) , sibling , surgery , history , paleontology , archaeology , biology , developmental psychology , psychology , physics , optics
Summary This case report describes two full sibling gelding American Quarter Horses that presented separately for evaluation of an external mass (Case 1) and signs of colic and epistaxis (Case 2). The horses had the same owner and resided on the same property for the majority of their lives. Both horses were definitively or presumptively diagnosed antemortem with haemangiosarcoma, and on necropsy, multicentric (Case 1) and primary renal (Case 2) haemangiosarcoma were confirmed. A unique finding on necropsy was extensive bilateral renal involvement. Due to the low incidence of haemangiosarcoma in horses, the unique organ involvement and common ancestry of these two horses, a genetic cause is suspected.