“…It also plays a role as alternative treatment strategy for extracranial artery stenosis [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]. PTA for the treatment of severe symptomatic carotid stenosis instead of carotid endarterectomy is controversely discussed [14, 15, 16, 17, 18].…”