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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
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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
3.
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
4.
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
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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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Martin J. Schalij Lucas H. Savalle Damras Tresukosol J. Wouter Jukema Johan H. C. Reiber Albert V. G. Bruschke 《Catheterization and cardiovascular interventions》1998,43(1):19-27
The Micro stentTM (MS) is a balloon expandable stent that allows the treatment of stenoses in distal and tortuous coronary arteries. This prospective study was performed to evaluate initial and late results of MS implantations. A total of 127 MS (101 in native coronary arteries and 26 in saphenous vein grafts) were implanted in 85 patients (1.5 stents/pt, 65 male, and 20 female, age 62, ±10 yr) with angina pectoris class II-III: 21 (25%), angina pectoris class IV: 41(48%), and acute myocardial infarction: 23 (27%). Indications per segment treated (n=93): elective: 49 (53%); suboptimal balloon angioplasty (PTCA) result: 33(35%); bailout: 11 (12%). The patients were discharged with 100 mg of aspirin daily unless other indications for oral anticoagulants were present. Procedural success (diameter stenosis of 30% without the occurrence of clinical events within 3 wk) was 85%. Early clinical events (<3 wk included: death:1%; subacute closure: 5%; coronary artery bypass surgery (CABG): 1%; vascular complications: 4%. Late clinical events (3 wk-6 mo) included: acute myocardial infarction:3%, PTCA 5%, CABG 3%, angina class III-IV: 4%. Quantitative angiographic results were: the minimum lumen diameter increased from 0.90 ± 0.72 before to 3.05 ± 0.48 mm (<P0.001) after stent implantation. At follow-up, which was 5.5 mo ± 1.1 mo, 61/79 pts (77%), the loss in diameter was 0.90 ± 0.68 mm. The net gain was 1.26 ± 0.90 mm. The restenosis rate (diameter stenosis > 50% at FU) was 13%. This study demonstrates high procedural and late success rates of Micro stent implantations. Cathet. Cardiovasc. Diagn. 43:19-27, 1998. © 1998 Wiley-Liss, Inc. 相似文献
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Damras Tresukosol Martin J. Schalij Lucas H. Savalle J. Wouter Jukema Beert Buis Johan H. C. Reiber Albert V. G. Bruschke 《Catheterization and cardiovascular interventions》1996,38(2):135-143
Micro stent™ (MS) is a radiopaque stainless steel balloon expandable intracoronary stent. The stent is mounted on a rapid-exchange delivery system. From August 1994–March 1995, 127 MS were implanted in 85 patients (pts, 1.5 stents/pt, 85 in native vessels and 42 in bypass vein grafts, 61 male and 24 female, age 33–77 yr, mean age 61 ± 10 yr). Pts studied were scheduled for either elective PTCA (n = 62, 73%) or PTCA for acute myocardial infarction (n = 23, 27%). Elective stent implantation was performed in 45 pts (53%). An MS was implanted because of a suboptimal balloon angioplasty result in 26 pts (31%). The stent was implanted because of threatened or acute vessel closure after balloon angioplasty in 14 pts (16%). During the procedure, 500 mg aspirin and 2 × 7,500 units of heparin were administered intravenously, followed by systemic heparinization for 48 hr. Pts were discharged with 100 mg aspirin daily (n = 50, 59%), or anticoagulant drugs and 100 mg aspirin daily (n = 19, 22%), or anticoagulant drugs only (n = 16, 19%). Angiographic results were analyzed with computer-assisted quantitative coronary arteriography. Angiographic success (defined as a residual stenosis of <30%) was achieved in 124 of 127 attempts (98%). The mean minimal luminal diameter of the target lesions increased from 0.88 ± 0.79 mm before stent implantation to 3.08 ± 0.56 mm (P < 0.001). The percentage of diameter stenosis was reduced from 77.9 ± 20.9% before to 13.3 ± 10.5% (P < 0.001) after stent implantation. The average initial gain was 2.53 ± 1.37 mm. The procedural success rate (defined as a residual stenosis of <30% without occurrence of major clinical events within 3 wk after procedure) was 84%. Major clinical events included: death 1 pt (1%); cerebrovascular accident, 1 pt (1%); subacute stent closure, 5 pts (6%); coronary artery bypass grafting, 3 pts (4%); false femoral aneurysm, 2 pts (2%). The initial results of Micro stent implantations are promising. No anticoagulant therapy was given to most of the patients (59%). Few vascular and bleeding complications were observed. However, at this stage, no data about the restenosis rate after implantation of a Micro stent are available. © 1996 Wiley-Liss, Inc. 相似文献
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Neoadjuvant gemcitabine and cisplatin followed by radical surgery in (bulky) squamous cell carcinoma of cervix stage IB2 总被引:8,自引:0,他引:8
Termrungruanglert W Tresukosol D Vasuratna A Sittisomwong T Lertkhachonsuk R Sirisabya N 《Gynecologic oncology》2005,97(2):576-581
OBJECTIVES: This study aimed to evaluate the efficacy and toxicity of gemcitabine in combination with cisplatin as neoadjuvant therapy in patients with cervical carcinoma stage IB2. PATIENTS AND METHODS: Chemotherapy-naive patients with histologic diagnosis of squamous cell cervical carcinoma staged as IB2 were treated with 2 cycles of cisplatin (70 mg/m(2) on day 1) and gemcitabine (1000 mg/m(2) on days 1 and 8), given every 21 days. After chemotherapy, patients underwent radical hysterectomy and pelvic lymphadenectomy. Patients judged to have a non-resectable disease were treated with standard pelvic radiation. RESULTS: Between September 2000 to March 2004, 28 patients were enrolled in the study, of which 27 were evaluable for efficacy and toxicity. The mean age was 39 years (30-55). The overall clinical response rate was 88.9% (24/27), with complete response (CR) in 9/27 patients (33.3%) and partial response in 15/27 patients (55.5%). Three patients (11.1%) did not respond and nobody progressed. A pathological CR was noted in 2 of 24 patients who underwent radical surgery. The 3 non-responding patients were subsequently treated with radiation and achieved CR. Grades 3 or 4 neutropenia, anemia, or thrombocytopenia was observed in 18.5%, 7.4%, and 3.7% patients respectively. Non-hematological toxicity was mild except grade 3 nausea/vomiting in 18.5% patients. At median follow-up time of 36.7 months (range 7-51 months), the 3-year survival was 88.9%. CONCLUSION: Neoadjuvant treatment with gemcitabine/cisplatin combination for patients with cervical cancer (stage IB2) appears encouraging, with manageable and acceptable toxicity profile. 相似文献