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BACKGROUND The purpose of this study is to evaluate the effect of postoperative chemotherapy on recurrence and survival in patients after resection of metastatic brain tumors from non-small cell lung cancers. METHODS Patients who went through resection of a single metastatic brain tumor from non-small cell lung cancer from July 2001 to December 2012 were(More)
The plasmid pBR322 contains the genes bla and tetA, which encode resistance to ampicillin and tetracycline. Escherichia coli DH5α cells containing pBR322 were grown in concentrations of 50, 100, 150 and 200 μg/ml of ampicillin or 10, 15, 30 and 45 μg/ml of tetracycline. The cells were lysed and their proteins separated into cytosolic, periplasmic, membrane(More)
Radiation therapy has an important role in postoperative treatment of neoplasms originated from central nervous system, but may induce secondary malignancies like as sarcomas, gliomas, and meningiomas. The prognosis of radiation-induced osteosarcomas is known as poor, because they has aggressive nature invasive locally and intractable to multiple treatment(More)
OBJECTIVE Patients with symptomatic brain metastases secondary to mass effect are often candidates for surgery. However, many of these surgical candidates are also found to have multiple asymptomatic tumors. This study aimed to determine the outcome of surgical resection of symptomatic brain metastases followed by chemotherapy or radiotherapy (RT) for the(More)
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