Does preoperative positron emission tomography help delineate the boost volume after oncoplastic surgery for breast cancer?

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dc.authorid0000-0002-0103-7683
dc.authorid0000-0002-7685-2766
dc.authorid0000-0002-3936-080X
dc.contributor.authorYıldırım Altınok, Ayşe
dc.contributor.authorDoyuran, Mine
dc.contributor.authorÇağlar, Mustafa
dc.contributor.authorÇakır, Tansel
dc.contributor.authorAcar, Hilal
dc.contributor.authorKüçükmorkoç, Esra
dc.contributor.authorKüçük, Nadir
dc.contributor.authorÇağlar, Hale
dc.contributor.authorAtasever, Tamer
dc.date.accessioned10.07.201910:49:13
dc.date.accessioned2019-07-10T20:03:36Z
dc.date.available10.07.201910:49:13
dc.date.available2019-07-10T20:03:36Z
dc.date.issued2017
dc.departmentİstanbul Medipol Üniversitesi, Tıp Fakültesi, Dahili Tıp Bilimleri Bölümü, Radyasyon Onkolojisi Ana Bilim Dalı
dc.departmentİstanbul Medipol Üniversitesi, Tıp Fakültesi, Dahili Tıp Bilimleri Bölümü, Nükleer Tıp Ana Bilim Dalı
dc.descriptionWOS: 000424788200005
dc.description.abstractOBJECTIVE The tumor bed within the breast shifts during oncoplastic surgery (OPS) for breast cancer (BC). Preoperative imagery is used to determine the boost volume (BV) for patients not implanted with surgical clips. This prospective study was conducted to geometrically compare BVs determined using preoperative imagery and BVs determined utilizing surgical clips. METHODS Patients diagnosed with BC were scanned using PET-CT during 2013-2015. Twenty patients who had undergone OPS but who did not have metastasis underwent CT prior to radiotherapy. Their preoperative images were fused with planning CT images. The tumor volume (CTVboost-pet), as determined from the preoperative PET-CT images, was contoured. Next, CTVboost-clips was determined using surgical clips. Geometric relationships between these two volumes were statistically compared. RESULTS Planar projections of CTVboost-pet and CTVboost-clips were evaluated. Displacements between CTVboost-pet and CTVboost-clips in the axial (XZ) and coronal (XY) planes were 1.17 cm (min-max: 0.03-3.64 cm) and 1.67 cm (min-max: 0.38-4.14 cm), respectively, and were statistically significant (p<0.001), whereas the displacement in the sagittal (YZ) plane was 1.07 cm (min-max: 0.04-4.45 cm) and was not significant (p>0.7). CONCLUSION Preoperative imaging alone was not reliable when determining the BV in patients who had undergone OPS and had no clips. Large PTV margins can be an option to overcome this issue. Surgical clips need to be inserted during OPS.
dc.identifier.citationYıldırım Altınok, A., Doyuran, M., Çağlar, M., Çakır, T., Acar, H., Küçükmorkoç, E. ... Atasever, T. (2017). Does preoperative positron emission tomography help delineate the boost volume after oncoplastic surgery for breast cancer? Turkish Journal of Oncology, 32(4), 160-164. https://dx.doi.org/10.5505/tjo.2017.1674
dc.identifier.doi10.5505/tjo.2017.1674
dc.identifier.endpage164
dc.identifier.issn1300-7467
dc.identifier.issue4
dc.identifier.scopusqualityQ4
dc.identifier.startpage160
dc.identifier.urihttps://dx.doi.org/10.5505/tjo.2017.1674
dc.identifier.urihttps://hdl.handle.net/20.500.12511/3908
dc.identifier.volume32
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherKare Publishing
dc.relation.ispartofTurkish Journal of Oncologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectBoost Volume
dc.subjectBreast Cancer
dc.subjectOncoplastic Surgery
dc.subjectPET-CT
dc.subjectRadiotherapy
dc.titleDoes preoperative positron emission tomography help delineate the boost volume after oncoplastic surgery for breast cancer?
dc.typeArticle

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