“…ETV is currently considered by many authors the treatment of choice for OHC [1,2,3,4,5,6,7,8,9,10]. Excellent outcomes and high long-term success rates ranging from 60 to 100% have been reported in both adult and pediatric series of OHC [2,3,4,5,6,7,9,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31].…”