{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T10:50:22Z","timestamp":1777891822779,"version":"3.51.4"},"reference-count":33,"publisher":"SAGE Publications","issue":"5","license":[{"start":{"date-parts":[[2022,7,12]],"date-time":"2022-07-12T00:00:00Z","timestamp":1657584000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Journal of X-Ray Science and Technology"],"published-print":{"date-parts":[[2022,9,30]]},"abstract":"\n OBJECTIVE:<\/jats:title>\n To compare dosimetric and radiobiological terms of modified dynamic conformal arc therapy (mDCAT) and volumetric modulated arc therapy (VMAT) techniques using different flattening-filter free (FFF) energies in patients with single adrenal metastasis.<\/jats:p>\n <\/jats:sec>\n \n METHODS:<\/jats:title>\n In this study, plans were prepared for 10 patients drawing on the mDCAT and VMAT techniques with 6MV-FFF and 10MV-FFF energies. Target volume doses, biological effective doses (BED), quality indices, Monitor Unit (MU), number of segments, beam-on time and critical organ doses were compared in the plans.<\/jats:p>\n <\/jats:sec>\n \n RESULTS:<\/jats:title>\n \n Plans with the significantly lower gradient index (GI) and conformity index (CI) values were obtained with 6MV-FFF energy VMAT planning (\n p<\/jats:italic>\n \u200a<\u200a0.05). The higher values were obtained for dose to 95% of internal target volume (ITVD\n 95<\/jats:sub>\n ), ITVD\n 95<\/jats:sub>\n -BED\n 10<\/jats:sub>\n with 10MV-FFF energy VMAT planning, whereas lower results were obtained for high dose spillage (HDS%) values (\n p<\/jats:italic>\n \u200a<\u200a0,05). With 10MV-FFF energy, HDS% values were 21.1% lower in VMAT plans and 5.6% lower in mDCAT plans compared to 6MV-FFF energy. Plans with approximately 50% fewer segments were obtained in mDCAT plans than VMAT plans (\n p<\/jats:italic>\n \u200a<\u200a0,05). Beam-on time values with mDCAT was 1.84 times lower when 6MV-FFF energies were analyzed, and 2.11 times lower when 10MV-FFF was analyzed (\n p<\/jats:italic>\n \u200a<\u200a0,05). Additionally, when 6MV-FFF and 10MV-FFF energies were examined, MU values with mDCAT were 2.1 and 2.5 times lower (\n p<\/jats:italic>\n \u200a<\u200a0,05). In general, the smaller the target volume size, the greater the differences between MU and beam-on time values mDCAT and VMAT.\n <\/jats:p>\n <\/jats:sec>\n \n CONCLUSIONS:<\/jats:title>\n The study results implied that VMAT enabled to offer significantly more conformal SBRT plans with steeper dose fall-off beyond the target volume for single adrenal metastasis than the mDCAT, which attained at the cost of significantly higher MU and beam-on times. Especially with 10MV-FFF energy mDCAT plans, low-dose-bath zones can be reduced, and shorter-term treatments can be implemented with large segments. In adrenal gland SBRT, higher effective doses can be achieved with the right energy and technique, critical organ doses can be reduced, thus increasing the possibility of local control of the tumor with low toxicity.<\/jats:p>\n <\/jats:sec>","DOI":"10.3233\/xst-221192","type":"journal-article","created":{"date-parts":[[2022,7,12]],"date-time":"2022-07-12T11:55:21Z","timestamp":1657626921000},"page":"1023-1032","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Dosimetric comparison of mDCAT and VMAT techniques according to 6MV-FFF and 10MV-FFF energies in patients with single adrenal metastasis"],"prefix":"10.1177","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6511-8104","authenticated-orcid":false,"given":"Ismail Faruk","family":"Durmus","sequence":"first","affiliation":[{"name":"Nisantasi University","place":["Turkey"]},{"name":"Yeni Yuzyil University Gaziosmanpasa Hospital","place":["Turkey"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ayse","family":"Okumus","sequence":"additional","affiliation":[{"name":"Nisantasi University","place":["Turkey"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2022,7,12]]},"reference":[{"key":"e_1_3_1_2_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.0300-0664.2001.01435.x"},{"key":"e_1_3_1_3_2","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(19900101)65:1<177::AID-CNCR2820650134>3.0.CO;2-8"},{"key":"e_1_3_1_4_2","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(19900315)65:6<1318::AID-CNCR2820650611>3.0.CO;2-H"},{"key":"e_1_3_1_5_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00066-011-2207-9"},{"key":"e_1_3_1_6_2","doi-asserted-by":"publisher","DOI":"10.1186\/s12885-020-07030-w"},{"key":"e_1_3_1_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejmp.2018.10.003"},{"issue":"4","key":"e_1_3_1_8_2","first-page":"316","article-title":"The stereotaxic method and radiosurgery of the brain","volume":"102","author":"Leksell L.","year":"1951","unstructured":"LeksellL. 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