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Neurology > Primary brain Tumor > Flashcards

Primary brain Tumor Flashcards

1
Q

Found in cerebral hemispheres

Can cross corpus callosum

A

Glioblastoma multiforme

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2
Q

Butterfly glioma

A

Glioblastoma multiforme

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3
Q

Staind astrocytes for GFAP

A

Glioblastoma multiforme

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4
Q

Pseudopalisading pleomorphic tumor cells

Central areas of necrosis and hemorrhage

A

Glioblastoma multiforme

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5
Q

2nd most commin adult 1 brain tumor

A

Meningioma

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6
Q

Found in convexities of hemispheres and parasagittal region

A

Meningioma

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7
Q

Arises from arachnoid cells external to brain

A

Mengioma

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8
Q

Spindle cells concentrically arranged in whorled pattern

A

Meningioma

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9
Q

Psammomma bodies

A

Meningioma

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10
Q

3rd most common 1 brain tumor

A

Schwannoma

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11
Q

Usually at cerebellopontine angle

A

Schwannoma

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12
Q

(+) S100

A

Schwannoma

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13
Q

Associated with NF type 2

A

Schwannoma

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14
Q

Slow growing, found in frontal lobes

A

Oligodendroglioma

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15
Q

Chicken wire capillary pattern

A

Oligodendroglioma

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16
Q

Round nuclei with clear cytoplasm

Infiltrating tumor cells with perinuclear halos and prominent delicate vasculature

A

Oligodendroglioma

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17
Q

Bitemporal hemianopia
Hyper or hypopituitarism
Prolactinoma

A

Pituitary adenoma

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18
Q

Tinnitus, unilateral hearing loss

A

Schwannoma

19
Q

Well circumscribed tumor in children

Usually in posterior fossa

A

Pilocytic astrocytoma

20
Q

GFAP positive tumor in children

A

Pilocytic astrocytoma

21
Q

Most common benign tumor in children

A

Pilocytic astrocytoma

22
Q

Eosinophilic, corkscrew fibers

Grossly cystic+solid

A

Pilocytic astrocytoma

23
Q

Most common malignant brain tumor in children

A

Medulloblastoma

24
Q

Highly malignant cerebellar tumor

A

Medulloblastoma

25
Q

Form of PNET

Primitive neuroectodermal tumor

A

Medulloblastoma

26
Q

Can compress 4th ventricle

Hydrocephalus

A

Medulloblastoma

Ependymoma

27
Q

Rosettes or perivascular pseudorosette pattern of cells

A

Medulloblastoma

28
Q

Grossly solid
Small blue cells on histology
Radiosensitive

A

Medulloblastoma

29
Q

Small, hyperchromatic nuclei and scant cytoplasm

Occasional Homer - Wright rosettes

A

Medulloblastoma

30
Q

Tumors most commonly found in 4th ventricles

A

Ependymoma

31
Q

Perivascular pseudorosettes

A

Ependymoma

32
Q

Rod shaped blepharoplasts (basal ciliary bodies) near nucleus

A

Ependymoma

33
Q

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

A

HemangioblAstomA

34
Q

Tumor can produce EPO –> secondary polycythemia

A

Hemangioblastoma

35
Q

Brain tumors with foamy cells and high vascularity

A

Hemangioblastoma

36
Q

Benign childhood tumor can also cause bitemporal hemianopia

A

Craniopharyngioma

37
Q

Difference bw pituitary adenoma and craniopharyngioma

A

Pituitary adenoma: hyposecretion of 1 hormone

Craniopharyngioma : hyposecretion of mixed hormonal feature

38
Q

Compression of pituitary stalk - growth abnormality

A

Craniopharyngioma

39
Q

Derived from remnants of Rathkes pouch

A

Craniopharyngioma

40
Q

Tumor of Rathke’s pouch

A

Pituitary adenoma

41
Q

Cysts and calcification seen on radioimaging

A

Craniopharyngioma

42
Q

Most common adult primary brain tumor

A

Gliiblastoma multiforme

43
Q

Associated with non-rhythmic conjugate eye movements and myoclonus

A

Oposclonus- myoclonus

Neuroblastoma

44
Q

Most common extracranial childhood CA

A

Neuroblastoma

Neurology (6 decks)

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