Journal of Equine Science
Online ISSN : 1347-7501
Print ISSN : 1340-3516
NOTE
MDCT Images of the Head of a Horse with Malignant Melanoma
Naoki SASAKITakuto MINAMIKazutaka YAMADAMotoyoshi SATOHHisashi INOKUMAYoshiyasu KOBAYASHIHidefumi FURUOKAHaruo YAMADA
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2007 Volume 18 Issue 2 Pages 55-58

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Abstract

A 17-year-old, gray Thoroughbred gelding was presented with recurrent epistaxis following exercise for over one year. Multidetector-row computed tomographic (MDCT) examination of the head performed under general anesthesia indicated the presence of malignant melanoma. MDCT examination revealed the exact location and size of masses in the right guttural pouch first identified by endoscopy and in the left guttural pouch unidentified by endoscopy. MDCT examination revealed the presence of a blood clot that filled the right maxillary sinus. The horse was euthanized due to poor prognosis as a riding horse and the owner's decision, and MDCT findings were confirmed by postmortem examination. MDCT is suggested as a useful technique for diagnosis of head problems such as neoplasia and sinusitis which are typically difficult to detect by endoscopy.

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