Cognition & Senses 2: Intracranial Neoplasia Flashcards
DOGS vs. CATS with CNS TUMOR INCIDENCE?
DOGS > CATS
MENINGIOMA..
this is a ____ BRAIN TUMOR
originates from the…
this is a PRIMARY BRAIN TUMOR
originates from the NEURAL CREST
SCHWANNOMA
this is a ___ BRAIN TUMOR
originates from the…
this is a PRIMARY BRAIN TUMOR
originates from the NEURAL CREST
GLIAL CELLS & NEURONS originate from the…
NEURAL TUBE
MOST PITUITARY GLAND TUMORS arise from the ____, which ORIGINATES from the ___ (___ in origin)
ADENOHYPOPHYSIS, ECTODERM, EPITHELIAL
TRUE/FALSE
brain tumors arising from the NEUROHYPOPHYSIS are COMMON in dogs/cats
FALSE, UNCOMMON
PACHYMENINGES = ??? (1)
LEPTOMENINGES? = ??? (2)
PACHYMENINGES? = DURA MATER
LEPTOMENINGES?
1. ARACHNOID MATER
2. PIA MATER
NAME…
yellow?
blue?
green?
yellow = TENTORIUM CEREBELLI
blue = INFRATENORIAL (CEREBELLUM)
green = SUPRETENTORIAL (CEREBRUM)
GLIOMAS tend to be more likely in dogs in WHAT AGE RANGE?
MENINGIOMAS tend to be more likely in dogs in WHAT AGE RANGE?
GLIOMAS = 4-8 YEARS OLD
MENINGIOMAS = 8-14 YEARS OLD
what is the MOST COMMON PRIMARY TUMOR TYPE in DOGS & CATS?
these tend to be EXTRA-____
MENINGIOMA
these tend to be EXTRA-MEDULLARY
TRUE/FALSE
we COMMONLY see MULTIPLE MENINGIOMAS in CATS
TRUE
what is the SECOND-MOST COMMON PRIMARY TUMOR TYPE IN DOGS?
name the 2 SUBTYPES and WHAT THEY ARISE FROM & WHAT THOSE CELLS DO/PRODUCE
these are ___-AXIAL TUMORS
GLIOMA
2 subtypes?
1. ASTROCYTOMAS = originate from ASTROCYTES that are SUPPORTING CELLS
- OLIGODENDROGLIOMAS = OLIGODENDROCYTES which PRODUCE MYELIN
these are INTRA-AXIAL TUMORS
CHOROID PLEXUS TUMORS tend to APPEAR in WHAT 2 LOCATIONS?
WHERE do they tend to METASTASIZE?
2 locations?
1. 4TH VENTRICLE
2. SPINAL CORD
METASTASIZE in the VENTRICLES commonly
EPENDYMOMA
commonality?
metastasis?
RARE
NO METASTASIS
6 common SECONDARY BRAIN TUMORS? (metastasize)
which is MOST COMMON?
- HSA –> MOST COMMON
- MELANOMA
- LYMPHOMA –> in YOUNGER ANIMALS
- CARCINOMA
- HISTIOCYTIC SARCOMA
- OSTEOSARCOMA