1病例报道患者,男,19岁,因突发咯血2 h于2008年11月15日23时就诊。下午曾在家劈柴,当时无不适。晚21时无明显诱因出现咯血约50 ml,为暗红色血液,混有痰液,无凝块,发病后稍咳嗽,无胸痛胸闷症状。肺部CT示:右上肺类圆形斑片状高密度影,大小约30 mm×35 mm,边缘不清晰,内无钙化点,结论为“右 A case report of patients, male, 19 years old, due to a sudden hemoptysis 2 h at 15:00 on November 15, 2008 treatment. Wood chopping was at home in the afternoon, when there was no discomfort. Late at 21:00 there was no obvious incentive for hemoptysis about 50 ml, dark red blood, mixed with sputum, no clot, slightly cough after onset, no chest pain and chest tightness symptoms. Lung CT showed: the right upper lung class of circular patchy high-density shadow, the size of about 30 mm × 35 mm, the edge is not clear, no calcification within the conclusion of the ”right