astrocytoma

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astrocytoma

[‚as·trə‚sī′tōm·ə]
(medicine)
A slow-growing glial tumor made up of cells resembling astrocytes; often it will undergo malignant change and assume the appearance and growth characteristics of a glioblastoma.
References in periodicals archive ?
Current first-line therapy for anaplastic astrocytoma is surgery followed by treatment with temozolomide.
It also reviews key players involved in the therapeutic development for Anaplastic Astrocytoma and special features on late-stage and discontinued projects.
Further, for the treatment of adult patients with newly diagnosed glioblastoma multiforme concomitantly, Temozolomide Capsules are noted along the radiotherapy and also as maintenance treatment and for adult patients with refractory anaplastic astrocytoma who have intimate disease progression on a drug regimen containing nitrosourea and precarbazine.
Jake's mom, 38-year-old Malini Mayerhauser, has a form of brain cancer called anaplastic astrocytoma Grade 3.
The most widely used system is the World Health Organization (WHO) classification (1979, 1993, 2000, and 2007) that grades astrocytomas (I-IV) based on cytological atypia, mitotic activity, vascular proliferation, and necrosis: pilocytic astrocytoma (grade I), diffuse astrocytoma (grade II), anaplastic astrocytoma (grade III), and glioblastoma (grade IV).
Malignant gliomas include WHO grade III: anaplastic astrocytoma, anaplastic oligodendroglioma and anaplastic oligoastrocytoma, and WHO grade IV: glioblastoma and gliosarcoma.
Diffuse astrocytomas (WHO grade II), which include fibrillary astrocytoma, gemistocytic astrocytoma, and protoplasmic astrocytoma, affect primarily young adults and have a tendency for malignant progression to anaplastic astrocytoma and, ultimately, GBM.
anaplastic astrocytoma and glioma), than conventional treatment; and it does not cause damaging side effects.
Congenital diffuse anaplastic astrocytoma with ependymal and leptomeningeal spread: Case report.
Tew said that the three-dimensional brain-mapping enabled his team to navigate a trajectory through the patient's brain, and to remove 90 percent of the malignant tumour, an anaplastic astrocytoma, without harming the healthy brain tissue-including the deep nerve-fibre tracts-that surrounded it.
My once-Grade III Anaplastic Astrocytoma with features of a Grade IV Glioblastoma Multiforme had morphed into a recurrent malignant glioma within 13 months of my initial diagnosis.