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P. 732

An Urban Experience
WSVA7-0067 EXOTICS
HYPOPHYSIS OF THE CAPYBARA (HYDROCHOERUS HYDROCHAERIS) BY MAGNETIC RESONANCE IMAGING
L.S. Alves1, C.H. Girotto2, L.C. Vulcano1
1UNESP - School of Veterinary Medicine and Animal Science, Animal Reproduction and Veterinary Radiology, Botucatu, Brazil
2UNESP - School of Veterinary Medicine and Animal Science, Surgery and Veterinary Anesthesiology, Botucatu, Brazil
Introduction
Capybara is the largest rodent with wide distribution in South America. The hypophysis is a reddish appendage attached at the ventral midline to the diencephalon and it plays a major regulatory role in the entire endocrine system.
Objectives
The aim of this partial study is to describe the hypophysis, or pituitary gland, in living capybara by means of MRI providing more detailed information
of intracranial structures of this species, for research centers and clinics of wild animals veterinary medicine.
Methods
Eight adult capybaras were submitted to MRI examination using a 0.25 Tesla equipment (Vet-Grande; Esaote, Italy), under general anesthesia using face mask. The hypophysis was evaluated by T1W, T2W and FLAIR sequences on the transverse, sagittal and dorsal planes.
Results
Hypophysis is accommodated on the bony recess of the basisphenoid, or sella turcica, caudally to the optic chiasm and under the mamillary body (Fig. 1). This gland is wide with oval form and isointense to the cerebral parenchyma.
Conclusions
While domestic animals have a short hypophysis, capybaras have a wide pituitary gland accommodated in a robust sella turcica.
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 42ND WORLD SMALL ANIMAL VETERINARY ASSOCIATION CONGRESS AND FECAVA 23RD EUROCONGRESS
  















































































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