Primary brain Tumor Flashcards Preview

Neurology > Primary brain Tumor > Flashcards

Flashcards in Primary brain Tumor Deck (44):
1

Found in cerebral hemispheres
Can cross corpus callosum

Glioblastoma multiforme

2

Butterfly glioma

Glioblastoma multiforme

3

Staind astrocytes for GFAP

Glioblastoma multiforme

4

Pseudopalisading pleomorphic tumor cells
Central areas of necrosis and hemorrhage

Glioblastoma multiforme

5

2nd most commin adult 1 brain tumor

Meningioma

6

Found in convexities of hemispheres and parasagittal region

Meningioma

7

Arises from arachnoid cells external to brain

Mengioma

8

Spindle cells concentrically arranged in whorled pattern

Meningioma

9

Psammomma bodies

Meningioma

10

3rd most common 1 brain tumor

Schwannoma

11

Usually at cerebellopontine angle

Schwannoma

12

(+) S100

Schwannoma

13

Associated with NF type 2

Schwannoma

14

Slow growing, found in frontal lobes

Oligodendroglioma

15

Chicken wire capillary pattern

Oligodendroglioma

16

Round nuclei with clear cytoplasm

Infiltrating tumor cells with perinuclear halos and prominent delicate vasculature

Oligodendroglioma

17

Bitemporal hemianopia
Hyper or hypopituitarism
Prolactinoma

Pituitary adenoma

18

Tinnitus, unilateral hearing loss

Schwannoma

19

Well circumscribed tumor in children
Usually in posterior fossa

Pilocytic astrocytoma

20

GFAP positive tumor in children

Pilocytic astrocytoma

21

Most common benign tumor in children

Pilocytic astrocytoma

22

Eosinophilic, corkscrew fibers
Grossly cystic+solid

Pilocytic astrocytoma

23

Most common malignant brain tumor in children

Medulloblastoma

24

Highly malignant cerebellar tumor

Medulloblastoma

25

Form of PNET
Primitive neuroectodermal tumor

Medulloblastoma

26

Can compress 4th ventricle

Hydrocephalus

Medulloblastoma
Ependymoma

27

Rosettes or perivascular pseudorosette pattern of cells

Medulloblastoma

28

Grossly solid
Small blue cells on histology
Radiosensitive

Medulloblastoma

29

Small, hyperchromatic nuclei and scant cytoplasm

Occasional Homer - Wright rosettes

Medulloblastoma

30

Tumors most commonly found in 4th ventricles

Ependymoma

31

Perivascular pseudorosettes

Ependymoma

32

Rod shaped blepharoplasts (basal ciliary bodies) near nucleus

Ependymoma

33

Cerebellar tumors associated with von Hippel-Lindau syndrome when found with retinal angiomas

HemangioblAstomA

34

Tumor can produce EPO --> secondary polycythemia

Hemangioblastoma

35

Brain tumors with foamy cells and high vascularity

Hemangioblastoma

36

Benign childhood tumor can also cause bitemporal hemianopia

Craniopharyngioma

37

Difference bw pituitary adenoma and craniopharyngioma

Pituitary adenoma: hyposecretion of 1 hormone

Craniopharyngioma : hyposecretion of mixed hormonal feature

38

Compression of pituitary stalk - growth abnormality

Craniopharyngioma

39

Derived from remnants of Rathkes pouch

Craniopharyngioma

40

Tumor of Rathke's pouch

Pituitary adenoma

41

Cysts and calcification seen on radioimaging

Craniopharyngioma

42

Most common adult primary brain tumor

Gliiblastoma multiforme

43

Associated with non-rhythmic conjugate eye movements and myoclonus

Oposclonus- myoclonus
Neuroblastoma

44

Most common extracranial childhood CA

Neuroblastoma