haematogenous spread

haematogenous spread

spread of microorganisms via circulating blood
References in periodicals archive ?
Mode of infection is mainly through haematogenous spread and bile.
This may occur via contiguous or haematogenous spread from an actinomycotic focus.
2,3] Aspergillus flavus may gain access to the central nervous system (CNS) via haematogenous spread or direct spread from the paranasal sinuses.
The most acknowledged hypothesis is that VO originates from an infected microembolus in the arterial system which becomes lodged in one of the metaphyseal arteries; this results in infarction and subsequent haematogenous spread of the infection.
Haematogenous spread, although less important, may occur, and mostly involves the lung.
In the present case report, bone involvement also appeared to be a part of haematogenous spread, since both liver and bone were involved.
Brain tuberculoma is one of the neurological manifestation of tuberculosis, usually occur in immunocompromised individuals due to haematogenous spread from a primary focus, mainly lung.
1) It occurs by haematogenous spread of mycobacterial organism.
It probably occurs via haematogenous spread from an occult primary focus elsewhere.
Mycobacterium tuberculosis, the most common pathogenic organism, can manifest itself within the abdomen via haematogenous spread from a pulmonary primary, transmural invasion of the bowel following ingestion, reactivation of dormant disease or tuberculous salpingitis.
4) Pathogenesis involves extension of CSF infection into adjacent parenchyma via cortical veins or small penetrating veins or might result from haematogenous spread of systemic disease.
In immunocompromised patients in particular, haematogenous spread of MTB from a primary focus can result in mammary TB.