肺泡微石症１例阎国田１病例报告患者，男，７４岁。退休干部。以慢性胃炎入院。进行常规Ｘ线检查时发现肺部病变，经追问病史，除有轻微咳嗽，咳白粘痰外，无其他症状。未做过支气管造影检查。查体：肺部听诊无异常。胸片：两下肺野见非常细小的砂粒状致密影，重叠成堆或... 1 case of alveolar microlithiasis Yan Guotian 1 case report patients, male, 74 years old. Retired cadres. Chronic gastritis admitted. For routine X-ray examination found lung lesions, after a history of follow-up, with the exception of a slight cough, cough white phlegm, no other symptoms. Bronchography has not been done. Physical examination: no abnormal lung auscultation. Chest X-ray: two lung fields to see very small sand-like compact shadow, overlapping piles or ...