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Dosimetric considerations from 200 prostate brachytherapy treatments with 1251 according to the real-time planning method

2005-09Conference object Restricted access
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dc.contributor.authorTeixeira, Nuno
dc.contributor.authorCampos, L.
dc.contributor.authorCarvoeiras, P.
dc.contributor.authorCunha, Gilda
dc.contributor.authorVarregoso, J.
dc.contributor.authorValsassina, R.
dc.contributor.authorPontes, M.
dc.contributor.authorGalhos, R.
dc.contributor.authorFerreira, P.
dc.contributor.authorJusto, U.
dc.date.accessioned2018-12-30T23:46:37Z
dc.date.available2018-12-30T23:46:37Z
dc.date.issued2005-09
dc.description.abstractProstate brachytherapy with radioactive seeds is one of the options for prostate cancer treatment. Some dosimetric methods may be used, from the pre-planning to the realtime planning. This study covers 200 patients treated with 12sI radioactive seeds, for a period of time of 4 years. The software used is VariSeed. According to the real-time planning method, the dosimetry is done inside the operating room. The ultrasound probe is inside the rectum of the patient during all the treatment time, and images of the prostate, urethra and rectum are obtained by ultrasound technique. The dosimetry is on realtime, and the source positions in the TPS are exactly the same of the positions inside the prostate. With this technique one may have the values of very important parameters, like Dgo Dgs Vgo Dloo and Vlso for prostate. After one month the patient is submitted to a CT exam, and a new dosimetry is performed, being the contouring done over the new C-I images. With this new dosimetry one may calculate the same parameters already calculated for the real-time planning dosimetry. In this work authors present a statistical analysis (table 1) of the main parameters, obtained either duringthe pre-planning dosimetry or from the CT, and show some very interesting results and conclusions.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationTeixeira N, Campos L, Carvoeiras P, Cunha G, Varregoso J, Valsassina R, et al. Dosimetric considerations from 200 prostate brachytherapy treatments with 1251 according to the real-time planning method. Radiother Oncol. 2005;76(Suppl 2):S140.pt_PT
dc.identifier.doi10.1016/S0167-8140(05)81277-0pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.21/9236
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0167814005812770?via%3Dihubpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectRadiotherapypt_PT
dc.subjectBrachytherapypt_PT
dc.subjectProstate cancerpt_PT
dc.titleDosimetric considerations from 200 prostate brachytherapy treatments with 1251 according to the real-time planning methodpt_PT
dc.typeconference object
dspace.entity.typePublication
oaire.citation.endPageS140pt_PT
oaire.citation.issueSuppl. 2pt_PT
oaire.citation.startPageS140pt_PT
oaire.citation.titleRadiotherapy and Oncologypt_PT
oaire.citation.volume76pt_PT
rcaap.rightsrestrictedAccesspt_PT
rcaap.typeconferenceObjectpt_PT

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