A mathematical model for brain tumor response to radiation therapy.

A mathematical model for brain tumor response to radiation therapy.
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DOI:
10.1007/s00285-008-0219-6
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发表时间:
2009-04
影响因子:
1.9
通讯作者:
Swanson, K. R.
Swanson, K. R.
中科院分区:
数学4区
文献类型:
--
作者:
Rockne, R.;Alvord, E. C., Jr.;Rockhill, J. K.;Swanson, K. R.

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神经胶质瘤是高度侵袭性的原发性脑肿瘤,占所有脑肿瘤的近50%(Alvord和Shaw,The pathology of the aging human nervous system.莱亚和费比格,费城,第210-281页,1991)。它们的侵略性生长导致预期寿命短,以及相当算法的治疗方法:诊断磁共振成像(MRI),然后进行活检或手术切除,伴随第二次MRI,外部束放射治疗同时进行化疗,并在治疗期间根据医生的处方在不同时间进行MRI。Swanson等人(Harpold等人,J Neuropathol Exp Neurol 66:1-9,2007)已经表明,可以从个体患者的系列MRI确定神经胶质瘤在净增殖率(ρ)和侵袭率(D)方面的定义和基本特征。我们提出了一个扩展斯旺森的反应扩散模型,包括使用经典的线性二次放射生物学模型(霍尔在放射生物学的放射科医生的放射治疗的影响。Lippincott,Philadelphia,pp 478-480,1994),沿着对各种治疗方案的反应和虚拟肿瘤上的剂量分布的研究(Swanson等,AACR年会,洛杉矶,2007)。
Gliomas are highly invasive primary brain tumors, accounting for nearly 50% of all brain tumors (Alvord and Shaw in The pathology of the aging human nervous system. Lea & Febiger, Philadelphia, pp 210–281, 1991). Their aggressive growth leads to short life expectancies, as well as a fairly algorithmic approach to treatment: diagnostic magnetic resonance image (MRI) followed by biopsy or surgical resection with accompanying second MRI, external beam radiation therapy concurrent with and followed by chemotherapy, with MRIs conducted at various times during treatment as prescribed by the physician. Swanson et al. (Harpold et al. in J Neuropathol Exp Neurol 66:1–9, 2007) have shown that the defining and essential characteristics of gliomas in terms of net rates of proliferation (ρ) and invasion (D) can be determined from serial MRIs of individual patients. We present an extension to Swanson’s reaction-diffusion model to include the effects of radiation therapy using the classic linear-quadratic radiobiological model (Hall in Radiobiology for the radiologist. Lippincott, Philadelphia, pp 478–480, 1994) for radiation efficacy, along with an investigation of response to various therapy schedules and dose distributions on a virtual tumor (Swanson et al. in AACR annual meeting, Los Angeles, 2007).
DOI: 10.1016/0360-3016(95)00162-r
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作者:
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通讯作者: WITHERS, HR
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DOI: 10.1097/00130404-200303000-00009
发表时间: 2003-03-01
期刊: CANCER JOURNAL
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