某实验小学三年级的学生刘涛，虽说才１０岁，体重却已达４２公斤，是个小胖墩。有一天，妈妈看到他脖子很“脏”，就叫他洗澡，换衣服。洗澡后，妈妈发现刘涛的颈、项和背部的皮肤很粗糙，有许多棘状小疹子，肤色很深，好像没洗干净的样子，认为孩子得了皮肤病，就带他到医院? A third-year experimental primary school students Liu Tao, although only 10 years old, has reached 42 kg weight, is a chubby pier. One day, my mother saw his neck was “dirty” and told him to take a shower and change clothes. After bathing, my mother found Liu Tao neck, neck and back of the skin is very rough, there are many spiny rash, deep color, did not seem to wash clean look, that the child had skin disease, took him to the hospital?