Báo cáo khoa học: "Intensity modulated or fractionated stereotactic reirradiation in patients with recurrent nasopharyngeal cancer" doc
Báo cáo khoa học: "Intensity modulated or fractionated stereotactic reirradiation in patients with recurrent nasopharyngeal cancer" doc
... report our experience with intensity -modulated or stereotactic reirradiation in patients suffering from recurrent nasopharyngeal carcinoma. Patients and Methods: The records of 17 patients with ... [7] reported an evenmore distinguished difference in their cohort with a 1-y-locoregional control rate of only 35% in patients with rT4 stage compared to 100% in rT1-3 stage patients, but in contrast ... factor receptor expressioncorrelates with poor outcome in patients with locally recurrent nasopharyngeal carcinoma treated by external beam irradiation.Proceedings of the 50th Annual meeting...
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Báo cáo khoa học: "Intensity modulated radiation therapy (IMRT): differences in target volumes and improvement in clinically relevant doses to small bowel in rectal carcinoma" pps
... gastrointest-inal toxicity in these patients treated with IMRT.Furthermore, reduction in the small bowel V45GyusingIMRT may lead to lower rates of late gastrointestinaltoxicity [20]. Again, in the ... and bones.Indeed, acute grade 3 or higher gastrointestinal toxicity in the form of severe diarrhea was reported to be 12%by Sauer and colleagues [4], with modern series report-ing rates as ... TE, Wong JY: Organsparing by conformal avoidance intensity -modulated radiation therapyfor anal cancer: dosimetric evaluation of coverage of pelvis andinguinal/femoral nodes. Int J Radiat Oncol...
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Báo cáo khoa học: " Quality of life and salivary output in patients with head-and-neck cancer five years after radiotherapy" pptx
... EuropeanOrganization for Research and Treatment of Cancer QLQ-C30: a quality-of-life instrument for use in international clin-ical trials in oncology. J Natl Cancer Inst 1993, 85:365-376.11. Bjordal ... 44 patients were analyzed. Patients were treated predominantly with 6-MV X-rays from a lin-ear accelerator using parallel-opposed lateral beams. Theirradiation varied with the diagnosis, according ... scores for a functional or global QOLscale represent good functioning, or a high QOL, whereasa high score for a symptom scale or single item representsa high level of symptomatology or problems...
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báo cáo khoa học: " Galectin-3 and cyclin D1 expression in non-small cell lung cancer" doc
... galectin-3 in all examinated patients and separately in SCC and in adenocarcinoma and in all stages, but wedidn’t find any statistical differences. We demonstrated that in galectin-3 positive tumors ... significant. Moreover we compared galectin-3 expres-sion in patients with lymph nodes metastases (N1 and N2)and in patients without (N0). In patients with lymph nodemetastases galectin-3 expression ... domains: aNH2 terminal domain, a repetitive collagen-like sequencerich in glycine, proline and a COOH-terminal carbohy-drate recognition domain (CRD, lectin domain)[5]. CRD isresponsible for...
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Báo cáo khoa học: "Intensity modulated radiotherapy with concurrent chemotherapy for larynx preservation of advanced resectable hypopharyngeal cancer" doc
... concurrent accelerated fractionated radiotherapy and cisplatin with versus without cetuximab in patients with stage III or IV squamous cell carcinoma of the oropharynx, hypopharynx, or larynx. Protocol ... after completion of RT according to the finding oflaryngoscopy, CT or MRI, and physical examination.Biopsy or PET was conducted for the patients whoseresponse grading was in controversy. Complete ... study with long-term follow-up is needed for creating standard regi-mens. In our study, the patients have a 40% opportunity toretain their functional larynx which is an invaluable gainfor every...
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Báo cáo khoa học: " Intensity-Modulated Radiotherapy in Patients with Cervical Cancer. An intra-individual Comparison of Prone and Supine Positioning" ppt
... 7-field IMRT in prone or supine position can be more efficient regarding the spar-ing of small bowel, rectum and bladder in patients with cervical cancer.Methods Patients 10 patients with histological ... showed that bladder size correlated with small bowel sparing for definitive pelvic radiother-apy with IMRT in the supine position, but not in patients who had a hysterectomy. In the present study, ... irradiation. Georgeet al. did not see a statistical difference for small bowelsparing in gynaecologic patients with either definitive or adjuvant IMRT treatment in supine position [25]. Wetherefore pooled...
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Báo cáo khoa học: "Intensity modulated radiotherapy for elderly bladder cancer patients" potx
... tumor.Risk factors for T1-cancer were defined as tumor grade3/4, associated carcinoma -in situ, multifocal tumors, or recurrent tumors refractory to repeated TURBT with or without intravesical ... cisplatin (30 mg/m2) in three patients or carboplatin (area under the curve [AUC] of 4-6mg/mL. min) every 21 days in two patients with decreasedcreatinine clearance ( < 60 mL/min) or congestive ... (including the prostategland or uterus), regional lymph nodes, with urinarydiversion. Accordingly, radical cystectomy often results in considerable morbidity, including incontinence andimpotence [1,2]....
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Báo cáo khoa học: "Intensity-Modulated Radiotherapy for Squamous Cell Carcinoma of the Anal Canal: Efficacy of a Low Daily Dose to Clinically Negative Regions" ppsx
... Sebag-Montefiore D, Kadalayil L, Northover J, et al. A randomized trial of chemoradiation using mitomycin or cisplatin, with or without maintenance cisplatin/5FU in squamous cell carcinoma of the ... low doses are lacking. Historically, anal cancers were treated with surgical therapy involving an abdominoperineal resection. Interest in improving outcomes for these patients led to the ... II evaluation of dose-painted IMRT in combination with 5-fluorouracil and mitomycin-C for the reduction of acute morbidity in carcinoma of the anal canal [abstract]. Int J Radiat Oncol Biol...
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Báo cáo khoa học: " Intensity-modulated radiotherapy of nasopharyngeal carcinoma: a comparative treatment planning study of photons and protons" pps
... relationshipbetween absorbed dose in the brain and subsequent riskof developing an intracranial tumour. In their study, themean intracranial doses in the total cohort and in theindividuals developing tumors ... dose-escalation for T1–T2 tumors.Secondly, in T3–T4 tumors, Dmax calculated in a singlevoxel for the temporal lobes was already in the order of 67GyE in both IMRT and IMPT plans, reflecting the limita-tions ... the spinal cord, an anterior field is usually avoided in order to prevent the distal edge of highly weightedBragg peaks with uncertain RBEs abutting against theorgan. However, for our NPC patients...
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Báo cáo khoa học: " Intensity modulated radiotherapy (IMRT) in the treatment of children and Adolescents - a single institution''''s experience and a review of the literature" pps
... gland sparing in head-and-necktumors or spinal cord sparing for tumors of the vertebralcolumn.The history of IMRT for children is markedly different tothe history of IMRT for adult patients. ... required for children within a mul-timodal study protocol, in our institution first planning with conventional techniques is performed. If problems with target coverage or sparing of close organs ... a young investigator award.References1. Intensity Modulated Radiation Therapy Collaborative WorkingGroup: Intensity -modulated radiotherapy: current status andissues of interest. Int J Radiat...
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