Endoscopic endonasal surgical techniques used to treat rare vascular t… stockbot 0 448 2020.12.25 18:22 http://vietnamnews.vn/society/835933/endoscopic-endonasal-surgical-tec… + 68 https://vietnamnews.vn/rss/society.rss + 31 Endoscopic endonasal surgical technique is the gold standard to treat juvenile nasopharyngeal angiofibroma, a rare benign vascular tumor that appears in the nasal cavity, doctors at HCM City Children’s Hospital 1 have said.