List Of Contributors xiii 

Preface xv 

Acknowledgments xvii 

About The Companion Website xviii 

1 How To Perform The Neurological Examination 1 

2 Lesion Localization, Clinical Reasoning, And The Differential Diagnosis 29 

3.1 Circling And Altered Mentation: Case 1 – Dog With Progressive Circling And Personality Change 39 

3.2 Case 2 – A Cat With Acute Circling 54 

3.3 Case 3 – Dog With Marked Reduction Of Consciousness 69 

3.4 Case 4 – Cat With Chronic Reduced Consciousness 76 

4.1 Seizures: Case 1 Cluster Seizures In A Dog 83 

4.2 Case 2: Refractory Seizures In A Dog 91 

4.3 Seizures 103 

4.4 Case 4 – A Cat With Seizures 108 

5.1 Head Tilt And Imbalance: Case 1: Acute Onset Head Tilt In An Old Dog 113 

5.2 Case 2: Head Tilt In A Cat 120 

5.3 Case 3: Head Tilt And Weakness In A Dog 128 

6.1 Abnormalities Of Vision, Pupil Size, And Eye Position: Case 1: Dog With Dilated Unresponsive Pupil 137 

6.2 Case 2: Acute Bilateral Blindness In A Dog 143 

6.3 Case 3 153 

6.4 Case 4 164 

7.1 Disorders Of The Head And Face: Case 1 – Acute Facial Paresis In A Dog 174 

7.2 Case 2 – Trismus In A Dog 182 

7.3 Case 3 – Dropped Jaw In A Dog 189 

7.4 Case 4 – Unilateral Masticatory Muscle Atrophy In A Dog 196 

7.5 Case 5 202 

8.1 Tremors, Shakes, And Involuntary Movement: Case 1 – Generalized Tremors And Ataxia In A Cat 208 

8.2 Case 2 – Dyskinesia In A Dog 214 

8.3 Case 3 – Tremor And Ataxia In A Dog 219 

8.4 Case 4 – Phantom Scratching In A Dog 227 

9.1 Exercise-Related Weakness And Collapse: Case 1 – Acute Collapse In A Dog With Loss Of Reflexes 231 

9.2 Case 2 – Acute Weakness And Ventroflexion In A Cat 239 

9.3 Case 3 – Activity Intolerance/Generalized Weakness In A Dog 244 

9.4 Case 4 – Chronic Weakness/Plantigrade Posture In A Cat 251 

10.1 Spinal Pain: Case 1 – Thoracolumbar Pain In A Dog 255 

10.2 Case 2 – Neck Pain In A Dog 263 

10.3 Case 3 – Lumbosacral Pain In A Dog 268 

10.4 Case 4 – Lumbar Pain In A Cat 275 

11.1 Monoparesis: Case 1 – Chronic Lameness In One Thoracic Limb In A Dog 280 

11.2 Case 2 – Acute Onset Of Unilateral Pelvic Limb Weakness In A Dog 288 

12.1 Pelvic Limb Ataxia, Paraparesis, And Paralysis: Case 1 – Acute Paraparesis In A Chondrodystrophic Dog 292 

12.2 Case 2 – Chronic Progressive Paraparesis In A Large-Breed Dog 300 

12.3 Case 3 – Acute Paresis In A Cat 304 

12.4 Case 4 – Acute Paraparesis In A Non-Chondrodystrophic Dog 316 

13.1 Tetraparesis And Hemiparesis: Case 1 – Acute Tetraparesis With Thoracic Limbs Worse Than Pelvic Limbs 328 

13.2 Case 2 – Chronic Tetraparesis In A Large-Breed Dog 333 

13.3 Case 3 – Acute Tetraparesis In A Small Dog 339 

14.1 Urinary And Fecal Dysfunction: Case 1 – Urinary And Fecal Incontinence In A Cat 344 

14.2 Case 2 – Fecal Incontinence In A Pug 351 

14.3 Case 3 – Urinary And Fecal Incontinence In A Large-Breed Dog 357 

15.1 Neurological Trauma: Case 1 – Head Trauma 362 

15.2 Case 2 – Traumatic Vertebral Fractures And Luxations 371 

Index 000