患者楊煥章,男,四歲。1946年3月间突然發现额部及前胸上部皮膚有碎米粒大的出血性斑点,青紅相间,沒有發热,精神活动和食欲正常。当时曾服清血解毒之类藥物数剂,不覚療效。过了几天即流鼻血一次,后來症狀更見惡化,隔月余或数月即發生一次。每次欲鼻衄前几天夜間睡眠时,大声小 The patient Yang Huanzhang, male, is four years old. In March 1946, the skin on the frontal area and the upper part of the chest was suddenly found to have bleeding spots with broken rice grains. There was no fever, and the mental activity and appetite were normal. At that time, he had taken several doses of drugs such as blood detoxification, which was ineffective. After a few days, she had a nosebleed. Later, the symptoms worsened. It occurred once a month or several months later. Every time you want to sleep during the night before you snore, loud little