Fig. 3

Cavernoma treated with nidus progression followed by second GKRS. A 39 year old female suffered double vision treated with GKRS and underwent a second GKRS due to increased volume of the nidus with associated symptom of facial numbness a MRI imaging of T2 at the time of GKRS with treatment volume of 0.74 cc with 12 Gy in 50% line, b MRI imaging of T2 3 years after GKRS with nidus volume of 0.51 cc, c MRI imaging of T2 weighted 8 years after GKRS with nidus volume of 0.68 cc, d MRI imaging of T2 9 years after GKRS with nidus volume of 0.72 cc, e MRI imaging of T2 at the time of the second GKRS with radiation volume of 0.65 cc with 12 Gy in 50% line and f MRI imaging of T2 15 years after GKRS with a nidus volume of 0.61 cc