Báo cáo khoa học: " Intensity modulated radiotherapy (IMRT) in patients with carcinomas of the paranasal sinuses: clinical benefit for complex shaped target volumes" ppsx

... OncologyOpen AccessResearch Intensity modulated radiotherapy (IMRT) in patients with carcinomas of the paranasal sinuses: clinical benefit for complex shaped target volumesStephanie E Combs*1,2, ... Corresponding author †Equal contributorsAbstractIntroduction: The aim of the study was to evaluate the clinical outcome of intensity modulated radiotherapy (IMRT) in 46 patients with paranasal sinus ... depicted in Fig. 1. The main goal was optimal sparing of the optic structures aswell as the brain stem, without compromising the doseconformality to the CTV and PTV. A summary of the DVH-data...

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

... of the children. HB is responsible for the anaesthesia management of the children. PH isresponsible for the clinical treatment of the children ashead of the division of radiation oncology in ... advances in target conformity, dose escalation in the target volume and spar-ing of neighbouring organs at risk [1-14]. These qualitiespermit the irradiation of patients with complex shaped tumors ... J:Comparison of intensity- modulated radiotherapy with con-ventional conformal radiotherapy for complex- shaped tumors. Int J Radiat Oncol Biol Phys 2000, 48:1371-1380.5. Zhen W, Thompson RB, Enke CA: Intensity- modulated...

Báo cáo khoa học: " Intensity Modulated Radiotherapy (IMRT) in the postoperative treatment of an adenocarcinoma of the endometrium complicated by a pelvic kidney" pot

... fine RT technique can help avoiding. Intensity Modulated RT (IMRT) enables the treatment of the target volume while protecting normal tissue. It thereforereduces the incidence and severity of ... receive RT/BT, 5 recurred in the pelvis (4 in the vagina, 1 in the lateral pelvis). In contrast, none of the patients who received RT/BT (total of 10) recurred in the pelvis. The 5-year pelvic recurrence ... CentralPage 1 of 5(page number not for citation purposes)Radiation OncologyOpen AccessMethodology Intensity Modulated Radiotherapy (IMRT) in the postoperative treatment of an adenocarcinoma of the...

Báo cáo khoa học: " SemiIntensity modulated radiotherapy (IMRT) in benign giant cell tumors – a single institution case series and a short review of the literatur" docx

... our experience with intensity- modulated radiotherapy in the treatment of giant celltumors occurring outside the extremities in combination with a short review of the literature. Patients and ... decreases pain and other neurological symptoms of the patients resulting in improved quality of life.Considering the radiographic outcome of giant celltumors after radiotherapy, the available information ... of five patients with giant cell tumors have been treated with intensity modulated radiotherapy in our institution. All tumorswere histological ly proven before start of the treatment.All patients...

Báo cáo khoa học: "Intensity modulated radiotherapy with concurrent chemotherapy for larynx preservation of advanced resectable hypopharyngeal cancer" doc

... weeks. The first cycle of chemotherapy was often given in the same week as the beginning of RT. Seven patients in the primary surgery group underwent adjuvant CCRT;4 with cisplatin alone and 3 with ... of larynx preservation in patients of locally advanced hypopharyngeal cancer treated with intensity modulated radiotherapy (IMRT) plus concurrent chemotherapy, and compare the results with patients ... comparison of intensity- modulated radiation therapy and concomitant boost radiotherapy in the setting of concurrent chemotherapy for locally advanced oropharyngeal carcinoma. Int J Radiat...

Báo cáo khoa học: " Intensity-Modulated Radiotherapy in Patients with Cervical Cancer. An intra-individual Comparison of Prone and Supine Positioning" ppt

... WC: Clinical outcome in posthysterectomy cervical cancer patients treated with concurrent Cisplatin and intensity- modulated pelvic radiotherapy: comparison with conventional radiotherapy. Int ... PE, Beaulieu F, Beaulieu L, Fortin A, Germain I: Clinical outcome of adjuvant treatment of endometrial cancer using aperture-based intensity- modulated radiotherapy. Int J Radiat Oncol Biol Phys ... RN, Varlotto JM: Feasibility of concurrent cisplatin and extended field radiation therapy (EFRT) using intensity- modulated radiotherapy (IMRT) for carcinoma of the cervix. Gynecol Oncol 2006,...

Báo cáo khoa học: "Intensity modulated radiotherapy for elderly bladder cancer patients" potx

... contouring of the tumor volume.Delineation of target volumes The gross tumor volume (GTV) was defined as allknown gross disease determined by CT, clinical infor-mation, and MRI. The clinical target ... VPTVis the volume of the PTV, VTVis the trea-ted volume enclosed by the prescription isodose surface,and TVPVis the portion of the PTV within the pre-scribed isodose volume. The uniformity index ... women were included (nine in the IMRT groupand 10 in the HT group). They had a median age of 80years (range, 65-90 years). All patients had urothelial car-cinoma. Only 5% of the patients had...

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

... treated with surgical therapy involving an abdominoperineal resection. Interest in improving outcomes for these patients led to the discovery that these tumors responded to chemotherapy and radiotherapy. ... Role of mitomycin in combination with fluorouracil and radiotherapy, and of salvage chemoradiation in the definitive nonsurgical treatment of epidermoid carcinoma of the anal canal: results of ... significant toxicity (1), and interest has focused on intensity- modulated radiotherapy (IMRT) in this setting, with the hope of decreasing severe toxicity. The Radiation Therapy Oncology Group (RTOG)...

Báo cáo khoa học: " Intensity-modulated radiotherapy of nasopharyngeal carcinoma: a comparative treatment planning study of photons and protons" pps

... shrinkage of the tumor mass, weight loss or devel-opment of sinusitis as in RT of NPC patients may all causerange-shifting of the proton beams considerably. Thesetogether with deviations of the ... practical impact in the primary treatment of the lesions, there are grounds for concern for tumors growing in the vicinity of these struc-tures. In the current study, more strict dose constraintswere ... Image-guidedproton therapy (IGPT) during the course of the treatment.Based on the acquired information, both correction for the daily deviations of the target position and modifica-tions of the treatment...

Báo cáo khoa học: " Intensity modulated radiotherapy for localized prostate cancer: rigid compliance to dose-volume constraints as a warranty of acceptable toxicity?" pptx

... con-straints. Although the limit of acceptance for complianceto the DHV constraint levels was a random value of 3%,there was, as previously shown, a low rate of non-con-formity to the them and, for ... and for only 14 of the 125 patients (11.2% of the cases) there was somedegree of non-conformity, with doses 3% higher than the acceptable value for each constraint. Regarding this, viola-tions ... [5,6].Recently, the development of the intensity modulated radiotherapy (IMRT) has been shown to be a reasonableoption to deliver higher radiation doses to prostate cancer patients, with acceptable...

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