作者报告了一例钛尘肺。患者女性,32岁。16～22岁时为电话接线工。24岁时曾在某电机厂做临时工六个月。1970年因咳嗽就医。X线胸片显示双肺弥漫性粟粒样小点状和网状阴影,密度较高。入院查体除呼吸音粗糙外,余无异常。血沉8 mm/小时,结核菌素试验阴性(既往22岁时为阳性,后经数次检查阴转),白细胞略低为4,000,痰检结核菌涂片及培养均 The author reported a case of titanium pneumoconiosis. Patient female, 32 years old. 16 ~ 22 years old as a telephone operator. At the age of 24, I worked as a part-time worker in a motor factory for six months. In 1970 due to cough medical treatment. X-ray showed diffuse dull lung miliary dot and reticular shadows, high density. Admission examination except for rough breathing sounds, I no exception. Erythrocyte sedimentation rate 8 mm / h, negative for tuberculin test (positive at 22 years of age, negative after several tests), slightly lower leukocyte count of 4,000, sputum smear and culture