A child presents with unilateral proptosis which is compressible and increases on bending forwards. It is non-pulsatile and has no thrill or bruit. MRI shows retroorbital mass with echogenic shadows. The most probable diagnosis is: (A) Orbital varix, (B) Orbital encephalocoele, (C) Orbital A-V malformation, (D) Neurofibromatosis
Answer is A. None