CNS Tumors

Question 1

Skin tumors, hyperpigmentation, iris pigmentation is associated with____________gene mutaion

Answer 1

NF 1 (Ch 17)

Question 2

NF 1 gene works by inactivating

Answer 2

GTPase

Question 3

NFI gene mutation activates______gene

Answer 3

K-Ras

Question 4

NF2 has______and ______ tumors

Answer 4

Bilateral acoustic schwannoma, meningioma

Question 5

Meningioma is usually attached to_____ and _____

Answer 5

Bone and Dura

Question 6

laminated, basophilic calcification is associated with_____, ______, _____,______ conditions

Answer 6

meningioma, papillary carcinoma of thyroid, sarcoidosis, ovarian cysadenocarcinoma

Question 7

Deposits in Grey-white matter junction in the Brain could be______ and ______

Answer 7

Metastasis and emboli

Question 8

Mass near ventricle of the brain in AIDS patient infected by EBV is_______

Answer 8

Primary Lymphoma

Question 9

Brain Mets that is black in color, what the primary tumor?

Answer 9

Melanoma

Question 10

Neurilemmoma biopsy_______

Answer 10

Antony A and Antony B area

Question 11

Verocay body is seen is______

Answer 11

Antony A area of the Neurilemoma

Question 12

Neurilemoma is positibe with________marker

Answer 12

s100

Question 13

Whats the Diagnosis?

Answer 13

Schwannoma

Question 14

Diagnosis?

Answer 14

meningioma

Question 15

Diagnosis?

Answer 15

Meningioma

Question 16

Diagnosis?

Answer 16

Meningioma

Question 17

Diagnosis

Answer 17

Meningioma