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BACKGROUND & OBJECTIVE Detection of circulating tumor markers is one of current hot spots in tumor research. Free tumor DNA may exist in the peripheral blood of malignant tumor patients. Identical DNA mutations existing in both peripheral serum and primary tumor are found in many kinds of malignant tumors. This study used adenomatous polyposis coli (APC)(More)
OBJECTIVE To study the APC and E-cadherin gene promoter hypermethylation as tumor marker and to investigate the correlation of free tumor-related DNA in serum and tumor tissue with clinicopathological parameters. Their feasibility in early diagnosis, predicting therapeutic effect and monitoring recurrence was evaluated. METHODS 84 cases with operated(More)
To describe and illustrate a modified technique for using translaminar screw in the cervicothoracic junction (C7–T2). 12 patients (8 males and 4 females, average age was 52 years) underwent insertion of unilateral or bilateral translaminar screws by using our modified technique. With this modified technique, a tiny unicortical “hole” was made at the middle(More)
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