background: high-grade astrocytoma (grade 4) or glioblastoma multiforme (gbm) are deadly brain tumors. new therapies attempt to increase lifetime and quality of life in patients with malignant astrocytoma. o6-methylguanine-dna methyltransferase (mgmt) enzyme expression may be effective in prognosis and response to treatment of these patients. the aim of this study was assessment of mgmt enzyme ...

abstract purpose: metastatic breast cancer has remained as an incurable disease. the main objectives of treatments include alleviating of symptoms, delaying disease progression and increasing survival without any adverse effect on the quality of life. the main purpose of this study was to investigate the effects of some clinocopathological factors on the survival of patients with metastatic bre...