{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,9]],"date-time":"2026-07-09T17:59:58Z","timestamp":1783619998959,"version":"3.55.0"},"reference-count":34,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2022,11,9]],"date-time":"2022-11-09T00:00:00Z","timestamp":1667952000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["aapm.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Applied Clin Med Phys"],"published-print":{"date-parts":[[2023,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Image\u2010guided adaptive intracavitary\/interstitial brachytherapy (IC\/IS IGABT) has exhibited superior dosimetry advantage and local control for locally advanced cervical cancer (LACC). Our group designed a type of cylindrical three\u2010dimensional (3D) printed vaginal template combining an intracavitary applicator with straight and oblique interstitial needles according to the preplan on computed tomography images. This work aimed to research the consistency of the preplan with the treatment plan at every fraction to verify the practical guiding significance of the preplan. We also investigated the difference between 3D\u2010printed template\u2010guided implantation compared with freehand implantation for LACC. Twenty\u2010six patients were treated with 3D\u2010printed individual templates (3D template group), and 20 patients were treated by using freehand insertion (freehand group). Patients in the 3D template group would take a preplan one week before treatment to design and print the individual template, while the freehand group did not. All patients accepted volumetric rotational intensity\u2010modulated radiotherapy at a dose of 49.4 Gy in 26 fractions and subsequent brachytherapy at a dose of 26 Gy in four fractions. All analyses were performed by utilizing SPSS 26. The insertion depth was decreased in fractions 1 and 4 compared with the preplan. None of the dose volume histogram parameters of fractions 1\u20133, nor the D<jats:sub>2cc<\/jats:sub> of bladder and bowel at fraction 4 were barely changed compared with the preplan. The D<jats:sub>90<\/jats:sub> and D<jats:sub>98<\/jats:sub> of the high\u2010risk clinical target volume in the 3D template group were statistically higher than those in the freehand group (<jats:italic>p<\/jats:italic> &lt; 0.01). The D<jats:sub>2cc<\/jats:sub> of the rectum, bladder, bowel, and sigmoid in the 3D template group were all lower than those in the freehand group (<jats:italic>p<\/jats:italic> &lt; 0.01). The preplan in this research is consistent with treatment plans, which is important to ensure the feasibility of applying a 3D\u2010printed template in brachytherapy. The 3D\u2010printed individual guidance template was an effective method in brachytherapy for locally advanced cervical cancer.<\/jats:p>","DOI":"10.1002\/acm2.13840","type":"journal-article","created":{"date-parts":[[2022,11,9]],"date-time":"2022-11-09T15:42:07Z","timestamp":1668008527000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Characteristics of preplan\u2010based three\u2010dimensional individual template\u2010guided brachytherapy compared to freehand implantation"],"prefix":"10.1002","volume":"24","author":[{"given":"Bin","family":"Zhang","sequence":"first","affiliation":[{"name":"Jiangsu Cancer Hospital The Affiliated Cancer Hospital of Nanjing Medical University Jiangsu Institute of Cancer Research  Nanjing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Siyu","family":"Zhang","sequence":"additional","affiliation":[{"name":"Jiangsu Cancer Hospital The Affiliated Cancer 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