肺微小瘤一词1955年首次由 Whit-well 所采用。它究竟是真性肿瘤还是增生以及此病变的前驱细胞是什么,至今未清楚。作者报告7例尸检中,偶然发现8个微小瘤,除1例为男性外,均为女性,年龄均在60岁以上。5例尸检主要病变为癌,包括2例膀胱癌,1例胃癌,1例卵巢癌,1例多囊肾合併甲状腺隐性癌。另2例为全身性动脉硬化症。1例类似病变, The term lung nodules was first adopted by Whit-well in 1955. It is still unclear whether it is true tumor or hyperplasia and what precursor cells of this lesion are. The authors reported that in the 7 cases of autopsy, 8 microscopic tumors were accidentally found. All except 1 case were male, all of them were female and their age was above 60 years old. The main pathological changes in 5 cases were cancer, including 2 cases of bladder cancer, 1 case of gastric cancer, 1 case of ovarian cancer, and 1 case of polycystic kidney combined with thyroid recessive cancer. The other two cases were systemic arteriosclerosis. 1 case similar to lesions,