勒雪氏病通常是2岁以下的儿童患病,也有发生于成人者,但很少见,且较少讨论。作者复习了文献,收集了23例,报道如下: 一、一般情况:23例中女11、男12,均为白种人。发病年龄在16～75岁之间,<20岁者1人,30～40岁者8人,50～60岁者3人,60～70岁者6人,>70岁者5人。但有些病例的真正发病年龄可在皮疹发生以前10年或25年之久。最初的症状根据其出现率的多少排列如下,皮肤损害15人,肺部损害5人, Lech’s disease is usually a child under the age of 2 and also occurs in adults, but it is rare and is less discussed. The authors reviewed the literature, collecting 23 cases, reported as follows: First, the general situation: 23 cases of female 11, male 12, are white. The age of onset was between 16 and 75 years. One was less than 20 years old, 30 was over 40 years old, 3 was from 50 to 60 years old, 6 was from 60 to 70 years old and 5 was over 70 years old. In some cases, however, the actual age of onset may be 10 or 25 years before the onset of the rash. The initial symptoms according to the frequency of their occurrence are as follows, skin damage 15 people, lung damage 5 people,