Contrast enhancement in Astrocytic tumors

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MCQ 118

Q. Contrast enhancement is seen in all except ?

a. Pilocytic astrocytoma - WHO grade I

b. Astrocytoma - WHO Garde II

c. Anaplastic astrocytoma - WHO Grade III

d. Glioblastoma Multiforme - WHO grade IV

ANSWER:

Ans : B

WHO grade II astrocytoma tends to infiltrate along white matter tracts, but the blood brain barrier remains intact. Necrosis and haemorrhage are usually absent.

Contrast enhancement is notably absent in WHO grade II tumors.

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