A patient presented with unilateral proptosis which was compressible and increases on bending forward.No thrill or bruit was present.MRI shows a retro orbital mass with enhancement.The likely diagnosis is -

A patient presented with unilateral proptosis which was compressible a

1.	A patient presented with unilateral proptosis which was compressible and increases on bending forward.No thrill or bruit was present.MRI shows a retro orbital mass with enhancement.The likely diagnosis is -
A.	AV malformations
B.	Orbital encephalocoecle
C.	Orbital varix
D.	Neurofibromatosis
Answer» D. Neurofibromatosis