Histology!
Psammoma bodies & spindle cells
meningioma
benign, superficially located, arachnoid origin
Adult or child tumor?
malignant, crosses corpus collosum (midline)
glioblastoma multiforme
pseudopalisading tumor cells, GFAP+
which tumor is also GFAP+
Adult or child?
galactorrhea, amenorrhea, gynecomastia, decreased libido
prolactinoma
adult or child?
increased prolactin, decreased FSH
adult vs child?
Which tumors are GFAP+?
glioblastoma multiforme (adult or child?)
pilocytic astrocytoma (adult or child?)
dysphagia + ipsilateral Horner syndrome
PICA stroke --> lateral medullary syndrome aka wallenberg syndrome
dysphagia (PICAchew)
PICA
what else causes Horner syndrome?
S-100 +ve
Schwannoma
occurs @ cerebellopontine angle, CN7 & CN8
bilateral --> NF2
Adult or child?
chicken wire capillary pattern, "fried egg" cells, calcified tumors
oligodendroglioma
adult or child?
Hearing and winking abnormalities
schwannoma (facial and vestibulocochlear nerves)
which marker is positive in this tumor?
adult or child?
ACA stroke
Cortical vs brainstem?
Lateral pontine syndrome
ipsilateral Bell's palsy, AICA stroke
fAICAl droop!
Rosenthal fibers
Pilocytic astrocytoma
GFAP+
Adult or child?
associated with von hippel lindau
hemangioblastoma
adult or child?
headache, bitemporal hemianopsia
Mass effect for non-functional pituitary adenoma (don't produce hormones)
Non-dominant MCA stroke (right)
hemineglect
inability to draw clock face
what about dominant?
basilar artery stroke
Locked-in syndrome (inability to move entire body except for eyes)
Homer-Wright rosettes
medulloblastoma
(& ewing)
Benign, superficially located, arachnoid origin
meningioma
adult or child?
histology?
Parinaud syndrome
Pinealoma
adult or child?
Medial longitudinal fasciculus function & location?
ipsilateral tongue deviation after stroke
medial medullary syndrome (makes sense when you draw it)
due to stroke of anterior spinal artery
ependymoma
adult or child?
of blood vessel origin, EPO producing
hemangioblastoma
adult or child?
thin walled capillaries on histology
Remnants of Rathke pouch
Craniopharyngioma
adult or child?
PCA stroke
Vision/language
contralateral homonymous hemianopia with macular sparing
Gerstmann syndrome (stroke of angular gyrus of parietal lobe)