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MR perfusion weighted imaging of C6 glioma after antiangiogenic treatment in rats / 中华放射学杂志
Chinese Journal of Radiology ; (12)2001.
Article Dans Chinois | WPRIM | ID: wpr-555235
ABSTRACT
Objective To observe the therapeutic effect of antiangiogenesis on C6 glioma and to study the practical value of PWI in evaluating the early response of the tumor to the treatment.Methods C6 glioma cells were stereotactically implanted into SD rats intracranially.At the 15 day after tumor implantation,the recombinant human endostatin was administered or stereotactic radiosurgery was performed.Endostatin was injected subcutaneously at the dose of 5 mg?kg -1 ?d -1 ,10 mg?kg -1 ?d -1 ,and 20 mg?kg -1 ?d -1 for 7 days.Stereotactic radiosurgery was given once with the central radiation dose of 25Gy.MR PWI was performed to measure relative cerebral blood volume (rCBV) of the tumor and the normal brain before and 48 hours after treatment.Conventional MRI was performed to calculate tumor volume.Results The tumor volume was (429.0?36.7)mm 3,(305.7?32.8)mm 3,and (277.0?20.6)mm 3 in each endostatin treated group,and(390.0?33.8)mm 3 in SRS treated group,which were lower than that in control group(566.7?135.0)mm 3 (P=0.031).The rCBV in endostatin group was 1.57?0.12,1.30?0.12,and 1.24?0.08,respectively according to three different doses,which were lower than those before endostatin therapy with statistical significance (P

Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) langue: Chinois Texte intégral: Chinese Journal of Radiology Année: 2001 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) langue: Chinois Texte intégral: Chinese Journal of Radiology Année: 2001 Type: Article