Histosurgical mapping of endoscopic endonasal surgery of sinonasal tumours to improve radiotherapy guidance
Copyright © 2021 Société française de radiothérapie oncologique (SFRO). Published by Elsevier Masson SAS. All rights reserved..
PURPOSE: Endoscopic endonasal surgery (EES) is becoming a standard for most malignant sinonasal tumours. Margin analysis after piecemeal resection is complex and optimally relies on accurate histosurgical mapping. Postoperative radiotherapy may be adapted based on margin assessment mapping to reduce the dose to some sinonasal subvolumes. We assessed the use of histosurgical mapping by radiation oncologists (RO).
MATERIAL AND METHODS: A French practice survey was performed across 29 ENT expert RO (2 did not answer) regarding integration of information on EES, as well as quality of operative and pathology reportsto refine radiotherapy planning after EES. This was assessed through an electronic questionnaire.
RESULTS: EES was ubiquitously performed in France. Operative and pathology reports yielded accurate description of EES samples according to 66.7% of interviewed RO. Accuracy of margin assessment was however insufficient according to more than 40.0% of RO. Additional margins/biopsies of the operative bed were available in 55.2% (16/29) of the centres. In the absence of additional margins, quality of resection after EES was considered as microscopically incomplete in 48.3% or dubious in 48.3% of RO. As performed, histosurgical mapping allowed radiotherapy dose and volumes adaptation according to 26.3% of RO only.
CONCLUSIONS: Standardized histosurgical mapping with margin and additional margin analysis could be more systematic. Advantages of accurate EES reporting could be dose painting radiotherapy to further decrease morbidity in sinonasal tumours.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:26 |
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| Enthalten in: |
Cancer radiotherapie : journal de la Societe francaise de radiotherapie oncologique - 26(2022), 3 vom: 23. Mai, Seite 440-444 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Leleu, T [VerfasserIn] |
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| Links: |
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| Themen: |
Cancer |
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| Anmerkungen: |
Date Completed 20.05.2022 Date Revised 20.05.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.canrad.2021.06.014 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM327223022 |
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| 245 | 1 | 0 | |a Histosurgical mapping of endoscopic endonasal surgery of sinonasal tumours to improve radiotherapy guidance |
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| 500 | |a Date Revised 20.05.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2021 Société française de radiothérapie oncologique (SFRO). Published by Elsevier Masson SAS. All rights reserved. | ||
| 520 | |a PURPOSE: Endoscopic endonasal surgery (EES) is becoming a standard for most malignant sinonasal tumours. Margin analysis after piecemeal resection is complex and optimally relies on accurate histosurgical mapping. Postoperative radiotherapy may be adapted based on margin assessment mapping to reduce the dose to some sinonasal subvolumes. We assessed the use of histosurgical mapping by radiation oncologists (RO) | ||
| 520 | |a MATERIAL AND METHODS: A French practice survey was performed across 29 ENT expert RO (2 did not answer) regarding integration of information on EES, as well as quality of operative and pathology reportsto refine radiotherapy planning after EES. This was assessed through an electronic questionnaire | ||
| 520 | |a RESULTS: EES was ubiquitously performed in France. Operative and pathology reports yielded accurate description of EES samples according to 66.7% of interviewed RO. Accuracy of margin assessment was however insufficient according to more than 40.0% of RO. Additional margins/biopsies of the operative bed were available in 55.2% (16/29) of the centres. In the absence of additional margins, quality of resection after EES was considered as microscopically incomplete in 48.3% or dubious in 48.3% of RO. As performed, histosurgical mapping allowed radiotherapy dose and volumes adaptation according to 26.3% of RO only | ||
| 520 | |a CONCLUSIONS: Standardized histosurgical mapping with margin and additional margin analysis could be more systematic. Advantages of accurate EES reporting could be dose painting radiotherapy to further decrease morbidity in sinonasal tumours | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Cancer | |
| 650 | 4 | |a Chirurgie | |
| 650 | 4 | |a Chirurgie endonasale endoscopique | |
| 650 | 4 | |a Endoscopic endonasal surgery | |
| 650 | 4 | |a Marge chirurgicale | |
| 650 | 4 | |a Margins | |
| 650 | 4 | |a Nasosinusienne | |
| 650 | 4 | |a Radiotherapy | |
| 650 | 4 | |a Radiothérapie | |
| 650 | 4 | |a Sinonasal | |
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