Tumors

Question 1

Adult Brain tumors

Answer 1

Gery Mason Shits on PPL

Question 2

Glioblastoma

Answer 2

Malignant, bad.

Cross corpus callosum, GFAP positive, psuedopallisading tumor cells

Question 3

Meningioma

Answer 3

benign, dura tail, Psammoma bodies and whorled apttern

Question 4

Schwannoma

Answer 4

often localized to CN VIII at the CEREBELLOPONTINE ANGLE, S100 positive

Question 5

Bilater acoustic schwanoma

Answer 5

NF-2

Question 6

Oligodendrogliom

Answer 6

fried egg appearance, round nuclei with clear cytoplasm

Question 7

Pituitary adenoma

Answer 7

Prolactin secretion, hypogonadism

Question 8

Kids

Answer 8

Perry Mason Eats Hot Children

Question 9

Pilocytic astrocytoma

Answer 9

GFAP, good prognosis, Look for Rosenthal fibers eosinophilic corkscrewes

Question 10

Medulloblastoma

Answer 10

Highly malignant, Can compress the 4th ventricle and cause hydrocephalus.

Hmer Wright Rosettes…small blue cells

Question 11

Ependymoma

Answer 11

Ependymal cell tmors found in 4th ventricle, Can cause hydrocephalus.

Perivascular rosettes….rosette of tumor cellsaround a vessel

Question 12

Hemangioblastoma

Answer 12

associated with von hippel-lindau, often cerebellar (like medulloblastoma), Can produce polycythmia

Question 13

Craniopharyngioma

Answer 13

Benign childhood tumor, often confused with pituitary tumor because it can cause bitemporal hemianopsia. Derived from remnants of rathcke’s puouch