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排序方式: 共有57条查询结果,搜索用时 15 毫秒
1.
Telomerase activity and human papillomavirus in malignant, premalignant and benign cervical lesions.
A. Mutirangura V. Sriuranpong W. Termrunggraunglert D. Tresukosol P. Lertsaguansinchai N. Voravud S. Niruthisard 《British journal of cancer》1998,78(7):933-939
The purpose of this study was to define a correlation between telomerase activity and human papillomavirus (HPV) in normal control tissue and in benign, premalignant and malignant cervical lesions. Telomerase activity was detectable in 33 out of 34 cases of squamous-cell carcinoma, five out of six cases of microinvasive carcinoma, 8 out of 20 cases and two out of six cases of high- and low-grade squamous intraepithelial lesions (SILs) respectively. The higher frequency of positive telomerase in invasive carcinoma compared with SILs was observed in both HPV-associated and non-associated groups. Whereas 92.6% of HPV-positive and 100% of HPV-negative invasive lesions expressed telomerase, only 50% of HPV-positive and 25% of HPV-negative SILs did. Interestingly, telomerase activity was also detectable in 13 out of 28 cases of benign lesions regardless of the presence of HPV. In conclusion, there may be two roles of telomerase in the cervix. The first one would present in benign lesions; the second is associated with cancer development and activated during the late stage of multistep carcinogenesis in both HPV-positive and -negative groups. 相似文献
2.
We report a case of successful, long-term pleurovenous shunt (PVS) in treating refractory nonmalignant hepatic hydrothorax. An 82-year-old woman with liver cirrhosis, hypertension complicated with chronic renal failure while on hemodialysis, presented with progressive dyspnea in association with a recurrent right-sided pleural effusion, occurring secondary to transdiaphragmatic migration of ascites. The diagnosis was established by a demonstration of (99m)Tc-sulphur colloid sequential scintigraphic scan. Despite repetitive thoracenteses and traditional medical treatment, she suffered dyspnea without relief. Denver peritoneovenous shunt was inserted into the right-sided pleural cavity to drain effusion into the subclavian vein without short- and long-term complications. Manually pumping schedule of 10 min was performed twice daily to remove pleural fluid into the venous circulation for maintaining shunt patency. After 19 months of follow-up, the patient is doing well and PVS remains patent without significant pleural effusion. PVS opens a window of opportunity and offers an alternative procedure with minimal invasiveness for high-risk patients with refractory hepatic hydrothorax. It could be an alternative treatment to other conventional surgical interventions. 相似文献
3.
Lertsanguansinchai P Lertbutsayanukul C Shotelersuk K Khorprasert C Rojpornpradit P Chottetanaprasith T Srisuthep A Suriyapee S Jumpangern C Tresukosol D Charoonsantikul C 《International journal of radiation oncology, biology, physics》2004,59(5):641-1431
PURPOSE: Intracavitary brachytherapy plays an important role in the treatment of cervical carcinoma. Previous results have shown controversy between the effect of dose rate on tumor control and the occurrence of complications. We performed a prospective randomized clinical trial to compare the clinical outcomes between low-dose-rate (LDR) and high-dose-rate (HDR) intracavitary brachytherapy for treatment of invasive uterine cervical carcinoma. METHODS AND MATERIALS: A total of 237 patients with previously untreated invasive carcinoma of the uterine cervix treated at King Chulalongkorn Memorial Hospital were randomized between June 1995 and December 2001. Excluding ineligible, incomplete treatment, and incomplete data patients, 109 and 112 patients were in the LDR and HDR groups, respectively. All patients were treated with external beam radiotherapy and LDR or HDR intracavitary brachytherapy using the Chulalongkorn treatment schedule. RESULTS: The median follow-up for the LDR and HDR groups was 40.2 and 37.2 months, respectively. The actuarial 3-year overall and relapse-free survival rate for all patients was 69.6% and 70%, respectively. The 3-year overall survival rate in the LDR and HDR groups was 70.9% and 68.4% (p = 0.75) and the 3-year pelvic control rate was 89.1% and 86.4% (p = 0.51), respectively. The 3-year relapse-free survival rate in both groups was 69.9% (p = 0.35). Most recurrences were distant metastases, especially in Stage IIB and IIIB patients. Grade 3 and 4 complications were found in 2.8% and 7.1% of the LDR and HDR groups (p = 0.23). CONCLUSION: Comparable outcomes were demonstrated between LDR and HDR intracavitary brachytherapy. Concerning patient convenience, the lower number of medical personnel needed, and decreased radiation to health care workers, HDR intracavitary brachytherapy is an alternative to conventional LDR brachytherapy. The high number of distant failure suggests that other modalities such as systemic concurrent or adjuvant chemotherapy might lower this high recurrence, especially in Stage IIB and IIIB. 相似文献
4.
Sueblinvong T Noophun P Pataradool K Suwanwela N Phanthumchinda K Tresukosol D 《The journal of obstetrics and gynaecology research》2002,28(2):99-103
A 31-year-old female developed multiple episodes of grand mal seizures after combination chemotherapy with cisplatin, vinblastine and bleomycin for germ cell ovarian cancer stage Ic. The clinicoradiologic features in this patient were consistent with posterior leukoencephalopathy, which is a rare complication of chemotherapy. Seizures were controlled by the anticonvulsive agent Dilantin (Pfizer, Khet Klongtoey, Bangkok) and she returned home without any permanent neurologic deficits. Follow-up magnetic resonance imaging 2 weeks later showed complete resolution of the abnormalities. This syndrome has been previously reported following cisplatin-based chemotherapy. Physicians should remain alert to the potential hazards of chemotherapy to the central nervous system. Risks and benefits should be seriously considered before starting treatment. 相似文献
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Cynthia M. Powell R. Thomas Taggart Timothy C. Drumheller Damrong Wangsa Chiping Qian Lawrence M. Nelson Beverly J. White 《American journal of medical genetics. Part A》1994,52(1):19-26
Clinical assessments made with measuring devices are generally considered “objective” and “accurate” and are, therefore, more discriminating than subjective assessments. We show that the choice of measuring devices or non-standardized landmarks to be used with the measuring devices affect the “accuracy” of the “objective” findings. © 1994 Wiley-Liss, Inc. 相似文献
8.
D. Tresukosol A.P. Kudelka C.L. Edwards C. Charnsangavej N. Narboni & J.J. Kavanagh 《International journal of gynecological cancer》1995,5(2):156-159
A case is described of a granulosa cell tumor (GCT) of the ovary that recurred 2 years after cessation of platin-based chemotherapy. In view of the extent and volume of the disease at recurrence, and because of the reported poor response rates to second-line chemotherapy, Taxol was given. There was a dramatic response and tumor shrinkage to single-agent therapy with Taxol. 相似文献
9.
Prevalence and prognostic significance of COX-2 expression in stage IB cervical cancer 总被引:5,自引:0,他引:5
Manchana T Triratanachat S Sirisabya N Vasuratna A Termrungruanglert W Tresukosol D 《Gynecologic oncology》2006,100(3):556-560
OBJECTIVES: To evaluate the prevalence of cyclooxygenase-2 (COX-2), correlation with various clinicopathologic factors and prognostic significance of COX-2 in stage IB cervical cancer patients. METHODS: 89 paraffin-embedded specimens of patients with stage IB cervical cancer underwent radical hysterectomy and pelvic lymphadenectomy at King Chulalongkorn Memorial Hospital during 1 January 1997-31 December 2002 and were stained with polyclonal goat antiserum against COX-2 using immunohistochemical method. Medical records were reviewed; clinicopathological variables were retrieved and used for analysis. RESULTS: The prevalence of positive COX-2 expression in stage IB cervical cancer in this study was 49.4%. Positive COX-2 expression in cervical adenocarcinoma was higher than squamous cell carcinoma (86.7% versus 40.6%, P < 0.05) and significantly expressed when lymph node metastasis was presented (100% versus 46.4%, P < 0.05). However, COX-2 expression was possibly associated with parametrial involvement (80% versus 47.6%, P > 0.05). There was no correlation between COX-2 expression and patient's age, tumor size, depth of stromal invasion and lymphovascular space invasion. Five-year disease free survival and 5-year overall survival in patients with positive COX-2 expression were 81% and 98% which were not differed from patients with negative COX-2 expression (92% and 95%, P > 0.05). CONCLUSIONS: Strong correlation was found in cervical adenocarcinoma and lymph node metastasis. However, COX-2 expression failed to demonstrate as a significant prognostic factor in stage IB cervical cancer. 相似文献
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