A child presents with unilateral propotosis which is compressible and increases on bending forwards. It is non-pulsatile and has no thrill or bruit. MRI shows retroorbital mass with ecogenic shadows (with enhancement). The most probable diagnosis is:
B i.e. Orbital varix
Neurofibromatosis
Orbital varix
Orbital A-V fstula
Orbital encephalocele