Báo cáo khoa học: "Dosimetric comparison using different multileaf collimeters in intensity-modulated radiotherapy for upper thoracic esophageal cancer" ppsx

... dosimetric advantage in conformal radiother- apy and IMRT planning for different tumors with smaller leaves. Kubo et al. firstly compared the conformity of 3 D conformal planning using a 1.7 mm leaf ... Radiat Oncol 2009, 4:3. 8. Jin JY, Yin FF, Ryu S, Ajlouni M, Kim JH: Dosimetric study using different leaf-width MLCs for treatment planning of dynamic conformal arcs and inten...

Ngày tải lên: 09/08/2014, 09:20

... techniques in the OPS for the D1, D2, and D5%, in the inner ear and controlateral lens for the average Dmax, in the temporo-mandibular joints for the average mean dose, in the cord and brainstem for ... con- straints prescribed for sliding window IMRT. No superior- ity of conformal 3D treatment over conventional treatment planning was demonstrated in maxillary sinus tumors...

Ngày tải lên: 09/08/2014, 10:21

... organs-at-risk (OAR) including bladder, rectum and bowel were defined for each patient by her individual treating physician, using information from a planning CT scan and pelvic MRI done after completing PRT ... examination, including pelvic examination, was performed. Laboratory and imag- ing tests were obtained as required based on clinical find- ings but an MRI scan was done routinely...

Ngày tải lên: 09/08/2014, 10:20

... The targeting MRI data set from the GKSRS were used for tomotherapy planning. Five patients with single brain metastasis treated with GKSRS were re-planned in the HT planning station using the ... tomotherapy is an emerging technology based mainly on the linkage and integration of known and widely-used technology in radiation oncol- ogy into a single system, i.e. a linear accelerator...

Ngày tải lên: 09/08/2014, 10:21

... realized by performing a dictionary lookup of the words before actually building the cor- responding inactive edges, storing the results in a table. Being analogous to the filter used in the di- ... asking if any (ac- tive) edge ending in the starting vertex of the pro- posed edge needs this this kind of edge, directly or indirectly. The procedure for computing the answer to th...

Ngày tải lên: 09/03/2014, 01:20

... design a single model with bothsupertagging and parsing fea- tures, rather than separating them into dis- tinct models chained together in a pipeline. To overcome the resulting increase in com- plexity, ... com- puting marginals (i.e. expectations) on structured models. These marginals can be used for decoding (parsing) in a minimum-risk framework (Smith and Eisner, 2008); or for tr...

Ngày tải lên: 23/03/2014, 16:20

... example in (12)). (12) Minu naine soovib osta autot ja minu poeg soo- vib g osta gg mootorratast Meine Frau will ein Auto kaufen und mein Sohn will g ein Motorrad kaufen gg In Subgapping, ... stands for Gapping, Sub- gapping, and Stripping, respectively; g(g) + is re- cursively added for LDG; f = FCR; s = SGF; b = BCR. (2) GAPPING: Jüri lives in Tallinn and his children...

Ngày tải lên: 31/03/2014, 20:20

... needed in 4D cumulative dose calculation for various clinical end points and concluded that results using only two extreme phases in 4D cumulative dose calculation agreed well with those of full inclusion ... about 1.5 cm during the respira- tory cycle in Case 1 and 1.0 cm in Case 2, predominantly in the SI direction. The GTV volume for Case 1 was 12.5 cm 3 (about 3 cm in d...

Ngày tải lên: 09/08/2014, 08:23

... points for med- iastinic lesion, 4 and 3 points for single and multiple metastasis, respectively) and in 27 points (15 for medias- tinic lesions, 7 for single and 5 for multiple metastasis) inside ... positions inside the lung cavity. For both phantoms, different lung treatment plans (single or multiple metastases and targets in the mediastinum) using HT technique were sim...

Ngày tải lên: 09/08/2014, 09:20

... proteinase K. DPP IV levels following stimulation with insulin and bpV(phen) In order to examine changes in DPP IV levels follow- ing insulin stimulation, rats were injected with the PTP inhibitor ... membrane restructuring enzymes [56] in protein targeting is beginning to be perceived. For instance, one striking example of c-Src location inside one organelle has been reported for t...

Ngày tải lên: 19/02/2014, 07:20