Fig. 2: Graph of relative volumes of the vascular malformations per patient over time.
From: Bleomycin Electrosclerotherapy (BEST) for treatment of slow-flow vascular malformations in children

One case (marked with a dotted line and square data point) of a patient (age 7 at start of BEST) with a combined vascular malformation showing lesion expansion after the first BEST session but successful volume reduction after the second and third session.