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A, GFAP highlights intensely positive glial fibrils in perivascular rosettes. A, GFAP highlights intensely positive glial fibrils in perivascular rosettes.

Published byΙολανθη Σπανός Modified over 5 years ago

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Presentation on theme: "A, GFAP highlights intensely positive glial fibrils in perivascular rosettes. A, GFAP highlights intensely positive glial fibrils in perivascular rosettes."— Presentation transcript:

1 A, GFAP highlights intensely positive glial fibrils in perivascular rosettes.
A, GFAP highlights intensely positive glial fibrils in perivascular rosettes. Other cells have clear cytoplasm. Nuclei are round and oval with finely speckled chromatin. Plus sign is in vessel lumen; solid arrow points to perivascular GFAP positivity.B, Groups of vacuolated cells are positive for GFAP (open curved arrow) and spread between a hyalinized matrix (solid arrow).C, MIB-1 proliferation index is focally high, up to 18%. Andrew S. Youkilis et al. AJNR Am J Neuroradiol 2001;22: ©2001 by American Society of Neuroradiology

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