In 110 patients with FAP that could not be obliterated by ultrasound-guided compression, percutaneous injection achieved immediate closure in 107 (97.3%) without any complications or adverse effects.

• 受试者包括110名FAP患者，他们曾接受超声介导压缩治疗，结果无法使血管瘤闭塞。经皮注射胶原蛋白，使107名患者的血管瘤立即关闭(97.；3%25)，而且不伴有任何并发症或不良反应。