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  • Title: Cerebrovascular complications in patients with cancer.
    Author: Rogers LR.
    Journal: Semin Neurol; 2010 Jul; 30(3):311-9. PubMed ID: 20577937.
    Abstract:
    Stroke in the cancer patient is often caused by disorders of coagulation that are induced by the cancer, by cancer metastatic to the central nervous system, or by coagulation disorders or vascular injury due to cancer therapy. Nonbacterial thrombotic endocarditis in association with diffuse thrombosis of cerebral vessels is often the cause of cerebral infarction. Venous occlusion is most common in leukemic patients, but can also result from growth of solid tumor in the adjacent skull or dura. Chemotherapy administration is associated with a small risk of cerebral arterial or venous thrombosis. Radiation that is administered to the neck can result in delayed carotid atherosclerosis. Tumor embolization to the brain is a rare cause of stroke. Fungal septic cerebral emboli occur most commonly in leukemic patients who have undergone bone marrow transplantation. Hemorrhages occur in the brain parenchyma or the subdural and subarachnoid spaces and are most commonly caused by acute disseminated intravascular coagulation or metastatic tumor. Hemolysis from chemotherapy administration is a rare cause of brain hemorrhage. Careful clinical assessment, neuroimaging studies, measurement of coagulation function, and echocardiography are the most useful modalities to identify the cause of stroke.
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