B.What is the structure indicated by short arrow?
C.What is the structure indicated by short arrow ?
D.All are true regarding above case except
1.two types -- choroidal and mural
2.the primitive median prosencephalic vein bo
narrow
3.true vein of Galen absent
4.the straight sinus often absent
Ans A--- choroidal type of vein of Galen malformation
B.primitive median prosencephalic vein
C.the falcine sinus
D.-- 2 .Primitive median prosencephalic vein dilated
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