卡介苗确实对儿童播散性结核有一定的保护效果，但是，其免疫效果在接种10年以后逐步减退。
BCG is indeed disseminated tuberculosis in children must have a protective effect, but the effect of the immune at vaccination gradually decreased after 10 years.
该型是结核和转移性疾病血源性播散的表现。
This pattern is a manifestation of hematogenous spread of tuberculosis and metastatic disease.
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