根据文献报告,钙化病灶内百分之二十到百分之二十五有活的结核菌。钙化病灶内结核菌的活力,是依据钙化时间的久暂和钙化点的大小来决定的。结核病灶干酪化后,坏死组织就开始钙化,其过程一般为两月到三月。但是在x线照片上,一般却要经过一年或者一年以上才能把钙化阴影显示出来。钙化发生的时间愈久,病灶内结核菌的活力也愈小。在钙化发 According to the literature, twenty-five percent to twenty-five percent of calcified lesions have live TB. The vitality of TB in calcified lesions is determined by the duration of calcification and the size of calcification. After cheese tuberculosis, necrotic tissue began to calcification, the process is generally two months to March. However, in the x-ray photos, but usually after a year or more to show the calcification shadow. The longer the period of calcification, the lesser the activity of Mycobacterium tuberculosis within the lesion. In calcification hair