Secondary malignant tumors can occur by hematogenous spread or direct invasion.
继发的恶性肿瘤可以是血行转移或直接侵犯而来。
This pattern is a manifestation of hematogenous spread of tuberculosis and metastatic disease.
该型是结核和转移性疾病血源性播散的表现。
Posterior epidural abscesses may occur as a result of hematogenous spread of remote infections.
后方硬膜外脓肿可能是由于远方感染的血行播散所致。
Pathogenesis is poorly understood. The most accepted route is hematogenous spread, both arterial and through Batson's venous plexus.
发病机理尚不太清楚，最为人所接受的转移路径是血源性播撒，不仅通过动脉而且通过Batsons静脉丛。
Renal TB usually occurs by hematogenous spread from other organs such as the lungs. However, in almost half the cases, the lungs may not manifest evidence of TB on imaging.
肾结核通常由于其它脏器(如肺部)的血源播散而感染，然而，在几乎一半的病例中，肺部可能没有明显的结核影像表现。
Renal TB usually occurs by hematogenous spread from other organs such as the lungs. However, in almost half the cases, the lungs may not manifest evidence of TB on imaging.
肾结核通常由于其它脏器(如肺部)的血源播散而感染，然而，在几乎一半的病例中，肺部可能没有明显的结核影像表现。
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