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

... Oncology Open Access Research Intensity modulated radiotherapy (IMRT) in patients with carcinomas of the paranasal sinuses: clinical benefit for complex shaped target volumes Stephanie E Combs* 1,2 , ... Corresponding author †Equal contributors Abstract Introduction: The aim of the study was to evaluate the clinical outcome of intensity mod...

Ngày tải lên: 09/08/2014, 10:21

... of the children. HB is responsible for the anaesthesia management of the children. PH is responsible for the clinical treatment of the children as head 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 qualities permit the irradi...

Ngày tải lên: 09/08/2014, 10:20

... fine RT technique can help avoiding. Intensity Modulated RT (IMRT) enables the treatment of the target volume while protecting normal tissue. It therefore reduces 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) recur...

Ngày tải lên: 09/08/2014, 10:21

... our experience with intensity- modulated radiotherapy in the treatment of giant cell tumors 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 cell tumors...

Ngày tải lên: 09/08/2014, 08:22

... 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 chem...

Ngày tải lên: 09/08/2014, 08:23

... 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...

Ngày tải lên: 09/08/2014, 09:20

... contouring of the tumor volume. Delineation of target volumes The gross tumor volume (GTV) was defined as all known gross disease determined by CT, clinical infor- mation, and MRI. The clinical target ... V PTV is the volume of the PTV, V TV is the trea- ted volume enclosed by the prescription isodose surface, and TV PV is the portion of the PTV within the...

Ngày tải lên: 09/08/2014, 09:20

... 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 carc...

Ngày tải lên: 09/08/2014, 09:21

... shrinkage of the tumor mass, weight loss or devel- opment of sinusitis as in RT of NPC patients may all cause range-shifting of the proton beams considerably. These together 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 th...

Ngày tải lên: 09/08/2014, 09:22

... con- straints. Although the limit of acceptance for compliance to 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 some degree of non-conformity, with doses 3% higher than the acceptable value for each...

Ngày tải lên: 09/08/2014, 10:21