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Laurent Garosi  DVM, Dip ECVN, MRCVS, RCVS & European Specialist in Veterinary Neurology
Head of Neurology/Neurosurgery, Davies Veterinary Specialists
lsg@vetspecialists.co.uk

Question 1
7 year-old female neutered DSH cat presented for evaluation of 2 week history of anisocoria. The right pupil remains dilated during direct light stimulation of the right eye while the left pupil constrict. During direct light stimulation of the left eye, the left pupil constrict but the right pupil still remains dilated. Both pupils dilate completely in the dark. Menace response is present when both eyes are tested. Which parts of the autonomic nervous system control pupillary dilation and pupillary constriction? What are the afferent and efferents parts of the pupillary light reflex (PLR)? What is your lesion localisation?
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Question 2

8 month-old female entired Weimaraner presented in lateral recumbency and unconscious
following a road traffic accident.  Describe the abnormal posture and its anatomical basis.
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Question 3

2 year-old male entired Vizla presented following an acute onset of collapse.  The dog is in lateral recumbency and conscious.  Describe the abnormal posture and its anatomical basis.  What are
the main differentials considering the acute onset?
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Question 4

4 year-old male entired Greyhound presented for evaluation of 2 day history of inability to close the jaw, excessive drooling, difficulty drinking and eating.  Neurological examination was normal aside
for inability to close the jaw and loss of sensation on both side of the face (lips, nasal mucosa,
lateral and medial canthus).  What is your lesion localisation and differential diagnosis?
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Question 5

10 year-old male castrated DSH cat presented for evaluation of 5 day history of progressive loss of balance and right-sided head tilt.  How can you localise the lesion as affecting the peripheral part or central part of the vestibular apparatus?
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