Intra-Arterial Chemotherapy in the Treatment of Malignant Brain Tumors
DOI:
https://doi.org/10.5915/19-2-13009Keywords:
Blood brain barrier disruption, intra-arterial chemotherapy, osmotic blood brain barrier modification, multi-agent chemotherapy, brain tumor treatment, technique of blood brain barrier disruptionAbstract
DOI: http://dx.doi.org/10.5915/19-2-13009
The capillaries of the cerebral endothelium possesses a unique Blood Brain Barrier (BBB) property due to a continuous basement membrane, tight endothelium and lack of pinocytosis. This specialized barrier prevents passage of systemic chemotherapy into the brain tumor. To obtain an effective concentration of the chemotherapeutic agent, a transient reversible disruption of the barrier is required which is achieved by intra-arterial methotrexate and intravenous cytoxan infusion. The degree of disruption of the barrier was monitored by means of radio-isotope brain scan. The neuroradiologic special procedure and its role in the management of advanced brain tumor by modification of the BBB is presented.
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1987-07-01
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