Neuro - neoplasia

Question 1

State the most common intra-axial neoplasms in dogs and cats

Answer 1

Neoplasia of glial cell origin (glioma)

Question 2

what glioma has a firm and tan gray with indistinct boundaries appearance

Answer 2

astrocytoma

Question 3

what glioma has well demarcated with gelatinous or mucoid texture appearance

Answer 3

oligodendroglioma

Question 4

State the neoplasms that can be associated with the ventricular system and possible sequela to neoplasms in this region

Answer 4

choroid plexus tumor
ependyoma

sequelae = obstructive (aquired) hydrocephalus

Question 5

State the most common extra-axial neoplasm (most common primary CNS tumor) in dogs and cats

Answer 5

meningioma

Question 6

Describe the location of nephroblastoma in dogs and the typically signalment

Answer 6

spinal nephroblastoma - thoracolumbar spinal cord (T10-L2)

young large breed dogs < 1 yr

Question 7

State the most common neoplasm of the peripheral nervous system

Answer 7

nerve sheath tumor

Question 8

State the cause of CNS lymphoma in cattle and the typical tumor location

Answer 8

bovine leukemia virus

intradural and extramedullary - cauda equina

Question 9

Describe the routes of extension or metastasis of non-CNS tumors to the nervous system

Answer 9

direct extension
hematogenous

Question 10

what is the tumor-like lesion found in old horses and is often incidental

Answer 10

cholesteatoma (cholesterol granuloma)