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find Author "LUO Chengyu" 4 results
  • Endoscopic Surgery in Breast Diseases

    ObjectiveTo evaluate the safety and efficacy of endoscopic techniques for diagnosis and treatment of breast diseases. MethodsRelated literatures of recent years were reviewed. ResultsA minimally invasive endoscopic technique can be performed through small incisions. This can contribute greatly to reducing postoperative pain, shortening recovery time, and achieving a good cosmetic outcome. Under endoscopy, meticulous dissection and hemostasis can be achieved. Endoscopeassisted subcutaneous mastectomy, immediate mammary reconstruction, sentinel lymph node biopsy and axillary lymph node dissection, for breast cancer can be performed safely. Endoscopic surgery can also be applied for the diagnosis and treatment of benign breast tumor and transaxillary removal of glandular tissue in gynecomastia. In addition, fiberoptic ductoscopy can be used to diagnose patients with nipple discharge. Endoscopic surgery for patients with breast diseases can offer an excellent cosmetic outcome and maintain normal physiologic functions without a noticeable scar. It helps to give the patients confidence and improve the quality of life. ConclusionBreast surgery is a good candidate for endoscopic techniques.

    Release date:2016-08-28 04:43 Export PDF Favorites Scan
  • Development of Angiogenic Effects on Tumor Micrometastasis

    ObjectiveTo discuss the angiogenic effects on tumor micrometastasis. MethodsLiteratures on the relation between tumor angiogenesis and micrometastasis were reviewed. ResultsTumor angiogenesis was a basis of the development of micrometastasis.Conclusion Micrometastic dependence on angiogenesis gestates a novel revolution of tumor treatment.

    Release date:2016-08-28 04:49 Export PDF Favorites Scan
  • THE CLINICAL SIGNIFICANCE OF DETECTING THE TELOMERASE ACTIVITY IN COLORECTAL CANCER

    Objective To explore the values of telomerase in the diagnosis, therapy and prognostic parameter of colorectal cancer. Methods Telomerase activity in colorectal cancer, peri-cancerous and normal mucosa was detected by PCRTRAP-ELISA assay. Results The positive rates of telomerase in colorectal cancer, peri-cancerous and normal mucosa were 84.8%, 20.0% and 0% respectively. 66.7% of the early stage colorectal cancer expressed telomerase. Telomerase activity was reversely correlated with tumor differentiation.Conclusion Telomerase may be an earlier event of malignant progression in colorectal cancer. It might be a parameter for diagnosis of colorectal cancer.

    Release date:2016-08-28 05:29 Export PDF Favorites Scan
  • Study on miRNA-224 in Colorectal Cancer with Hepatic Metastasis

    Objective To explore the microRNA (miRNA) expression changes and related miRNA characteristics of colorectal cancer (CRC) with hepatic metastasis by miRNA microarray. Methods The fresh specimens of primary CRC were collected in 10 patients during operation, which with hepatic metastasis or not. miRNA microarray analysis was performed to compare the miRNA expression levels in two groups. The different expression levels of miRNA were validated by quantitative real-time PCR analysis. Results A total of six dysregulated miRNAs were identified in the CRC patients with hepatic metastasis comparing with CRC patients without hepatic metastasis, including 3 up-regulated miRNAs (miR-224, miR-1236, and miR-622) and 3 down-regulated miRNAs (miR-155, miR-342-5p, and miR-363), and the quantitative real-time PCR result of miR-224 consisted with the microarray finding. Conclusions miR-224 may be involved in the process of CRC with hepatic metastasis pathogenesis. miR-224 would be a research direction on a new biomarker or therapic method in CRC with hepatic metastasis.

    Release date:2016-09-08 10:34 Export PDF Favorites Scan
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