Extras: Study Sheets: Tumors Flashcards
three types of gliomas + the breakdown of each of those
- astrocytomas: infiltrating, pilocytic, glioblastoma
- oligodendrogliomas
- ependymomas: anaplastic, myxopapillary, subependymoma
three gliomas that appear in childhood (rest are mostly adult)
pilocytic astrocytoma, glioblastoma, ependymoma
GFAP seen in which type of cancer
astrocytmas
two gliomas that are ring enhancing on CT
glioblastoma, ependymomas
three histo hallmarks of glioblastoma
- serpentine necrosis
- pseudo-pallisading
- VEGF vascular and endothelial prolif
MC location for ependymoma
4th ventricle
type of tumors that cause medically-refractory epilepsy
neuronal tumors: gangliomas, DNET
where is DNET found
superficial temporal lobes
what tumor causes drop metz to cauda equina?
medulloblastoma
what tumor is 100% radiosensitive?
medulloblastoma
two histo characteristis of medulloblastoma
- Homer-wright rosettes
2. cell wrapping
three histo findings of AT/RT
EMA, Vimentin, Rhabdoid cells
histo of primary CNS lymphoma
hooping
what to look for with germ cell tumors
metz from testes
what CA can be majorly increased in pregnancy bc of Progesterone receptors?
meningioma
two histo findings of meningioma
- calcified psammoma bodies
2. whorled clusters of monotonous cells
five MC places for metz to brain
lung, breast, melanoma, GI, kidney
location for schwannomas
cerebellar pontine angle
what CA stains for S100 + has antoni A and B dense/loos areas
schwannomas
three types of Neurofibromas and describe
- superficial cutaneous: pedunculated
- diffuse: plaque like elevations of skin
- plexiform: associated with nerve roots, looks like bag of worms
chromosome for: NF1, NF2, and VHL
- NF1: 17q11
- NF2: 22q12
- VHL: 3p25
chromosome for: NBCCS, Tuberous Sclerosis, and Cowden syndrome
- NBCCS: 9q2
- Tuberous sclerosis: 9q34, 16p13
- Cowden syndrome: 10q23
protein involved in Nevoid BCC and Cowden syndrome
- nevoid BCC: PTCH
2. Cowden: PTEN
five characteristics of NF1 and four characteristics of NF2
- NF1: neurofibromas, pheochromocytoma, cafe au lait, optic N glioma, Lisch nodules on iris
- NF2: neurofibromas, multiple meningioma, ependymoma, acoustic neuromas (CN8 schwannomas)
five features of Von Hippel Lindau
- hemangioblastoma
- RCC
- pancreatic neoplasm
- polycythemia
- cysts in liver/panc/kidneys
what condition is cardiac rhabdomyoma seen in?
tuberous sclerosis