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Replacement of the tumor bed following oncoplastic breast-conserving surgery with immediate latissimus dorsi mini-flap
The aim of the present study was to evaluate the geographic variability of the tumor bed following oncoplastic breast-conserving surgery (OP-BCS), and to assess its relevance for radiotherapy planning. In this prospective study, pre- and postoperative computerized tomography (CT) scans of 22 patient...
Autores principales: | , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
D.A. Spandidos
2016
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5038510/ https://www.ncbi.nlm.nih.gov/pubmed/27699027 http://dx.doi.org/10.3892/mco.2016.984 |
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author | Alço, Gül Igdem, Sefik Okkan, Sait Dincer, Maktav Sarsenov, Dauren Ilgun, Ahmet Serkan Agacayak, Filiz Elbüken, Filiz Ercan, Tulay Selamoglu, Derya Ozmen, Vahit |
author_facet | Alço, Gül Igdem, Sefik Okkan, Sait Dincer, Maktav Sarsenov, Dauren Ilgun, Ahmet Serkan Agacayak, Filiz Elbüken, Filiz Ercan, Tulay Selamoglu, Derya Ozmen, Vahit |
author_sort | Alço, Gül |
collection | PubMed |
description | The aim of the present study was to evaluate the geographic variability of the tumor bed following oncoplastic breast-conserving surgery (OP-BCS), and to assess its relevance for radiotherapy planning. In this prospective study, pre- and postoperative computerized tomography (CT) scans of 22 patients with early-stage breast cancer were fused. The preoperative gross tumor volume or excisional biopsy cavity were contoured under the guidance of preoperative radiological images. Postoperative lumpectomy cavities were contoured under the guidance of surgical clips. The conformity index (CI) was calculated and defined on a scale between 0 and 1, where 0 indicated no overlap and 1 indicated 100% concordance. Associations between CI and the number of clips, time interval between surgery and CT scans, pathological tumor size and age were assessed using independent sample testing. The median CI was 0.07 (in five cases, 1, and in eight cases, 0). The lumpectomy cavity shifted from the primary location in 36.4% of the cases. Median shifts between the isocenters of pre- and postoperative volumes were measured as 1.02 cm (range, 0.4–4.43 cm) in the x, 1.07 cm (range, 0.05–5.67 cm) in the y, and 1.12 cm (range, 0–3.75 cm) in the z directions. Only the clip number was determined to be significantly associated with CI (P=0.017). Pre- and postoperative tumor bed volumes were fully superposed in five of the 22 cases. The present study has shown that the tumor bed is markedly replaced following OP-BCS with latissimus dorsi mini-flap (LDMF) reconstruction. Special care should therefore be taken when defining the lumpectomy cavity following OP-BCS with LDMF reconstruction. |
format | Online Article Text |
id | pubmed-5038510 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2016 |
publisher | D.A. Spandidos |
record_format | MEDLINE/PubMed |
spelling | pubmed-50385102016-10-03 Replacement of the tumor bed following oncoplastic breast-conserving surgery with immediate latissimus dorsi mini-flap Alço, Gül Igdem, Sefik Okkan, Sait Dincer, Maktav Sarsenov, Dauren Ilgun, Ahmet Serkan Agacayak, Filiz Elbüken, Filiz Ercan, Tulay Selamoglu, Derya Ozmen, Vahit Mol Clin Oncol Articles The aim of the present study was to evaluate the geographic variability of the tumor bed following oncoplastic breast-conserving surgery (OP-BCS), and to assess its relevance for radiotherapy planning. In this prospective study, pre- and postoperative computerized tomography (CT) scans of 22 patients with early-stage breast cancer were fused. The preoperative gross tumor volume or excisional biopsy cavity were contoured under the guidance of preoperative radiological images. Postoperative lumpectomy cavities were contoured under the guidance of surgical clips. The conformity index (CI) was calculated and defined on a scale between 0 and 1, where 0 indicated no overlap and 1 indicated 100% concordance. Associations between CI and the number of clips, time interval between surgery and CT scans, pathological tumor size and age were assessed using independent sample testing. The median CI was 0.07 (in five cases, 1, and in eight cases, 0). The lumpectomy cavity shifted from the primary location in 36.4% of the cases. Median shifts between the isocenters of pre- and postoperative volumes were measured as 1.02 cm (range, 0.4–4.43 cm) in the x, 1.07 cm (range, 0.05–5.67 cm) in the y, and 1.12 cm (range, 0–3.75 cm) in the z directions. Only the clip number was determined to be significantly associated with CI (P=0.017). Pre- and postoperative tumor bed volumes were fully superposed in five of the 22 cases. The present study has shown that the tumor bed is markedly replaced following OP-BCS with latissimus dorsi mini-flap (LDMF) reconstruction. Special care should therefore be taken when defining the lumpectomy cavity following OP-BCS with LDMF reconstruction. D.A. Spandidos 2016-10 2016-08-09 /pmc/articles/PMC5038510/ /pubmed/27699027 http://dx.doi.org/10.3892/mco.2016.984 Text en Copyright: © Alço et al. This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License (https://creativecommons.org/licenses/by-nc-nd/4.0/) , which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made. |
spellingShingle | Articles Alço, Gül Igdem, Sefik Okkan, Sait Dincer, Maktav Sarsenov, Dauren Ilgun, Ahmet Serkan Agacayak, Filiz Elbüken, Filiz Ercan, Tulay Selamoglu, Derya Ozmen, Vahit Replacement of the tumor bed following oncoplastic breast-conserving surgery with immediate latissimus dorsi mini-flap |
title | Replacement of the tumor bed following oncoplastic breast-conserving surgery with immediate latissimus dorsi mini-flap |
title_full | Replacement of the tumor bed following oncoplastic breast-conserving surgery with immediate latissimus dorsi mini-flap |
title_fullStr | Replacement of the tumor bed following oncoplastic breast-conserving surgery with immediate latissimus dorsi mini-flap |
title_full_unstemmed | Replacement of the tumor bed following oncoplastic breast-conserving surgery with immediate latissimus dorsi mini-flap |
title_short | Replacement of the tumor bed following oncoplastic breast-conserving surgery with immediate latissimus dorsi mini-flap |
title_sort | replacement of the tumor bed following oncoplastic breast-conserving surgery with immediate latissimus dorsi mini-flap |
topic | Articles |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5038510/ https://www.ncbi.nlm.nih.gov/pubmed/27699027 http://dx.doi.org/10.3892/mco.2016.984 |
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