Brain - Neoplasia

Question 1

Which tumor of the cranial fossa can be suspected in a young dog?​

Answer 1

Germ cell tumors​

Question 2

What are the most common clinical signs associated with pituitary apoplexy in dogs?​

Answer 2

Galli, 2022:​

Behavioural abnormalities (11/19)​
Obtundation (7/19)​
Vestibular syndrome (7/19)​
Epileptic seizures (6/19)​

​

Woelfel, 2023:​

Gait or posture changes (85%)​
Mentation changes (69%)​
Cranial neuropathies (65%)​
GI dysfunction (54%)​
Cervical/head hyperpathia (46%)​
Hyperthermia (31%)​

Question 3

What is the influence of macroadenoma on vital parameters? Which cut-offs can be used to differentiate from microadenoma?​

Answer 3

Lower body temperature (cut-off: 38,3°C)​
Lower heart rate (cut-off: 84 bpm)​

Benchekroun, 2017​

Question 4

In glioma, lesions tend to be hyperintense on ADC maps while infarcts tend to be hypointense: true or false?​

Answer 4

True

Question 5

What are the 2 most tumor types associated with CSF drop metastasis?​

Answer 5

Choroid plexus carcinoma​
Oligodendroglioma​

Question 6

Which breed is not predisposed to glioma?

English Bulldog​
Pug​
Boxer​
French Bulldog​
Boston terrier

Answer 6

Pug

Question 7

Succint prednisolone tapering (40d vs 100) after radiation therapy has a significative effect on
1/ Rates at which corticosteroids had to be reinstituted later
2/ Adverse effect rates

Answer 7

No