An exploratory survival analysis of malignant glioma patients using pre-surgery MRI and 3D 1H-MRSI data with recursive partitioning
نویسندگان
چکیده
In order to characterize the pre-surgery metabolic properties of brain tumors and identify its prognostic importance, MRI and 3D H-MRSI (MR spectroscopic imaging) parameters for 43 malignant glioma patients were studied prior to surgery. A Survival tree was generated with a recursive partitioning method. The survival functions for groups of patients with different metabolic activity were compared and significant differences were observed between groups.
منابع مشابه
Optimization of clinical target volume delineation using magnetic resonance spectroscopic imaging (MRSI) in 3D conformal radiotherapy of prostate cancer
Background: For the purpose of individual clinical target volume assessment in radiotherapy of prostate cancer, MRSI was used as a molecular imaging modality with MRI and CT images. Materials and Methods: The images of 20 prostate cancer patients were used in this study. The MR and MRSI images were registered with CT ones using non-rigid registration technique. The CT based planning (BP), CT/MR...
متن کاملThe Clinical Trend and Prognosis of Patients with Brain Glioma
Background and Objectives: Gliomas are the most prevalent primary brain tumors. The purpose of this retrospective cohort study was evaluation of clinical trend and prognosis of patients with brain glioma and effective factors in prognosis. Materials and Methods: Hundred and forty-five patients with supratentorial brain glioma, treated in Shahid Mostafa Khomeini & Hazrat-e-...
متن کاملEvaluation the function of Sanandaj Tohid radiotherapy center in the treatment of glioma tumors using MRI during 2009-2016
Introduction: Glioma is the most common type of primary brain tumor that originates from glial tissues. These types of tumors have a high degree of malignancy and poor prognosis and low survival rates. The evaluation response to treatment is essential to decide whether present treatment is adequate or need for alternative therapy. The aim of this study was to evaluate the resp...
متن کاملMagnetic resonance spectroscopy guided brain tumor resection: differentiation between recurrent glioma and radiation change in two diagnostically difficult cases.
BACKGROUND It is often difficult to differentiate a recurrent glioma from the effects of post-operative radiotherapy by means of conventional neurodiagnostic imaging. Proton magnetic resonance spectroscopic imaging (1H-MRSI), that allows in vivo measurements of the concentration of brain metabolites such as choline-containing phospholipids (Cho), may provide in vivo biochemical information help...
متن کاملThe role of relative cerebral blood volume obtained from Perfusion Weighted Imaging-MRI in glioma tumor grading before surgery
Introduction: Glioma is the most common type of brain malignancy among adults. Treatment for this type of tumor involves surgery, radiotherapy, and in higher grades, including chemotherapy. The precise grading of the tumor is critical for treatment planning and prognosis determining. Considering the possibility of problems such as errors in tissue sampling during surgery, as we...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2002