今年五一回家，碰见了邻居小张，一年未见，发现他竟少了一条腿。经询问得知他患脉管炎久治不愈，导致下肢溃疡坏死，不得已，做了截肢手术。其实，小张前几年曾患有下肢“蚯蚓”样静脉曲张，当时以为是夏天在池塘里洗澡落下的毛病，便没在意。后来干活时不小心将右脚砸伤，出 On May 1 this year, he met his neighbor Zhang and found that he had fewer legs in a year. Upon inquiry, he learned that he suffered from vasculitis for a long time, resulting in lower extremity ulcer necrosis, made a limb amputation. In fact, a few years ago, Zhang had suffered lower extremities “earthworms” like varicose veins, was thought to be a summer shower in the pond falling problems, did not care. Later when work accidentally injured his right foot, out