Cerebellum: Diseased State

Question 1

T or F: Disease of the cerebellum causes loss of function and paresis.

Answer 1

FALSE. Neither are caused.

Question 2

What is the major clinical sign of a problem with the cerebellum?

Answer 2

ATAXIA- incoordination

Question 3

What are the 3 types of Ataxia?

Answer 3

PVC
Proprioceptive Ataxia
Vetibular Ataxia
Cerebellar Ataxia

Question 4

What is Dysmetria?

Answer 4

Inability to regulate rate, range, or force of movements

Drunk/abnormal

Question 5

What is Hypermetria?

Answer 5

Overestimation of gait

• uninhibited flexors
• HIGHSTEPPING

Question 6

What is a disease in cats that causes cerebellar hypoplasia?

Answer 6

Feline Panleukopenia (Feline parvovirus)
-still live long and happy lives

Question 7

What are some clinical signs associated with cerebellar disease?

Answer 7

Tremors
Hypertonia/Hyperreflexia
Nystagmus
Truncal Ataxia/Sway during gait 
Broad based stance
Opisthotonus

Question 8

What is Opisthotonus?

Answer 8

A CS of cerebellar disease

Extended neck and thoracic limbs

Question 9

It is hard to diagnose mild cerebellar disease or short legged animals. What test should you use during the neurological exam?

Answer 9

Stair Test: Observe gait going up and down stairs

Question 10

Cerebellar disease is usually characterized by ipsilateral signs. When would you have cerebellar disease with contralateral signs?

Answer 10

When there is a lesion at the cerebellar peduncle

Question 11

What is the cerebellar Menace Response?

Answer 11

A learned response, NOT a reflex

Question 12

What does the menace response test?

Answer 12

Normal vision and facial muscle function

Question 13

What is supposed to happen with the Menace response?

Answer 13

Animal closes eyes when there is a menacing gesture

Question 14

If cerebellum is diseased, what happens with the Menace response?

Answer 14

Failure to close eyes with a menacing gesture

Question 15

Most PRIMARY cerebellar diseases are _________

Answer 15

Congenital- from in utero viral infection

SLOWLY progressive- Cerebellar abiotrophy

Question 16

What causes congenital cerebellar malformation in the cow? In the cat?

Answer 16

Cow= Bovine Virus diarrhea 
Cat= Feline Panleukopenia 

Clinical signs present at birth

Question 17

What species are affected by Cerebellar Abiotrophy?

Answer 17

Dogs and Horses

Kerry Blue Terrier, Chinese Crested, Arabians

Question 18

Atrophy of the cerebellar folia is called?

Answer 18

Cerebellar Abiotrophy

Question 19

Does Cerebellar Abiotrophy have clinical signs at birth of the puppy or foal?

Answer 19

No. Progressive Cerebellar Ataxia

Question 20

What is Cerebellar Neoplasia?

Answer 20

A lesion of the cerebellar pundacle

Question 21

What cerebellar disease causes ipsilateral cranial nerve signs and contralateral peripheral (body) signs?

Answer 21

Cerebellar Neoplasia