Case control study to assess the possibility of decrease the risk of osteoradionecrosis in relation to the dose of radiation absorbed by the jaw
Identifieur interne : 003416 ( Main/Exploration ); précédent : 003415; suivant : 003417Case control study to assess the possibility of decrease the risk of osteoradionecrosis in relation to the dose of radiation absorbed by the jaw
Auteurs : Fabrizio Carini [Italie] ; Concetta Bucalo [Italie] ; Vito Saggese [Italie] ; Dario Monai [Italie] ; Gianluca Porcaro [Italie]Source :
- Annali di Stomatologia [ 1824-0852 ] ; 2012.
Abstract
the assessment of the limit dose for the organs at risk in external radiotherapy is a fundamental step to guarantee an optimal risk-benefit ratio. The aim of this study was to assess, through contouring the single dental cavities, the absorbed radiation dose on irradiated alveolar bones during the treatment of cervico-facial tumours, so as to test the correlation between the absorbed dose of radiation at alveolar level and the level of individual surgical risk for osteonecrosis.
we selected 45 out of 89 patients on the basis of different exclusion criteria. Nine of these patients showed evidence of osteoradionecrosis. The patients were treated either with 3D conformational radiation therapy (3D-CRT) or with intensity-modulated radiation therapy (IMRT), there after alveolar bones were contoured using computed axial tomography (CAT scans) carried out following oncological and dental treatment. The dose-volume histograms (DVH) were obtained on the basis of such data, which included those relating to the dental cavities in addition to those inherent to the tumours and the organs at risk.
all patients, irrespective of type of treatment, received an average of 60 to 70 grays in 30/35 sittings. The patients treated with IMRT showed higher variation in absorbed radiation dose than those treated with 3D-CRT. The alveolar encirclement allowed the assessment of the absorbed radiation dose, and consequently it also allowed to assess the individual surgical risk for osteonecrosis in patients with head and neck tumours who underwent radiography treatment.
the study of DVH allows the assessment of limit dose and the detection of the areas at greater risk for osteoradionecrosis before dental surgery.
Url:
PubMed: 23285316
PubMed Central: 3512551
Affiliations:
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of decrease the risk of osteoradionecrosis in relation to the dose of radiation absorbed by the jaw</title><author><name sortKey="Carini, Fabrizio" sort="Carini, Fabrizio" uniqKey="Carini F" first="Fabrizio" last="Carini">Fabrizio Carini</name><affiliation wicri:level="1"><nlm:aff id="af1-03-07">Research Professor, University of Milan-Bicocca, Monza (MB), Italy;</nlm:aff><country xml:lang="fr">Italie</country><wicri:regionArea>Research Professor, University of Milan-Bicocca, Monza (MB)</wicri:regionArea><wicri:noRegion>Monza (MB)</wicri:noRegion></affiliation></author><author><name sortKey="Bucalo, Concetta" sort="Bucalo, Concetta" uniqKey="Bucalo C" first="Concetta" last="Bucalo">Concetta Bucalo</name><affiliation wicri:level="1"><nlm:aff id="af2-03-07">Postgraduate student, School of Oral Surgery, University of Milan-Bicocca, Monza (MB), Italy</nlm:aff><country xml:lang="fr">Italie</country><wicri:regionArea>Postgraduate student, School of Oral Surgery, University of Milan-Bicocca, Monza (MB)</wicri:regionArea><wicri:noRegion>Monza (MB)</wicri:noRegion></affiliation></author><author><name sortKey="Saggese, Vito" sort="Saggese, Vito" uniqKey="Saggese V" first="Vito" last="Saggese">Vito Saggese</name><affiliation wicri:level="1"><nlm:aff id="af3-03-07">Oral Surgery specialist, School of Oral Surgery, University of Milan-Bicocca, Monza (MB), Italy</nlm:aff><country xml:lang="fr">Italie</country><wicri:regionArea>Oral Surgery specialist, School of Oral Surgery, University of Milan-Bicocca, Monza (MB)</wicri:regionArea><wicri:noRegion>Monza (MB)</wicri:noRegion></affiliation></author><author><name sortKey="Monai, Dario" sort="Monai, Dario" uniqKey="Monai D" first="Dario" last="Monai">Dario Monai</name><affiliation wicri:level="1"><nlm:aff id="af3-03-07">Oral Surgery specialist, School of Oral Surgery, University of Milan-Bicocca, Monza (MB), Italy</nlm:aff><country xml:lang="fr">Italie</country><wicri:regionArea>Oral Surgery specialist, School of Oral Surgery, University of Milan-Bicocca, Monza (MB)</wicri:regionArea><wicri:noRegion>Monza (MB)</wicri:noRegion></affiliation></author><author><name sortKey="Porcaro, Gianluca" sort="Porcaro, Gianluca" uniqKey="Porcaro G" first="Gianluca" last="Porcaro">Gianluca Porcaro</name><affiliation wicri:level="1"><nlm:aff id="af3-03-07">Oral Surgery specialist, School of Oral Surgery, University of Milan-Bicocca, Monza (MB), Italy</nlm:aff><country xml:lang="fr">Italie</country><wicri:regionArea>Oral Surgery specialist, School of Oral Surgery, University of Milan-Bicocca, Monza (MB)</wicri:regionArea><wicri:noRegion>Monza (MB)</wicri:noRegion></affiliation></author></analytic><series><title level="j">Annali di Stomatologia</title><idno type="ISSN">1824-0852</idno><idno type="eISSN">1971-1441</idno><imprint><date when="2012">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><title>Summary</title><sec><title>Aims</title><p>the assessment of the limit dose for the organs at risk in external radiotherapy is a fundamental step to guarantee an optimal risk-benefit ratio. The aim of this study was to assess, through contouring the single dental cavities, the absorbed radiation dose on irradiated alveolar bones during the treatment of cervico-facial tumours, so as to test the correlation between the absorbed dose of radiation at alveolar level and the level of individual surgical risk for osteonecrosis.</p></sec><sec><title>Materials and methods</title><p>we selected 45 out of 89 patients on the basis of different exclusion criteria. Nine of these patients showed evidence of osteoradionecrosis. The patients were treated either with 3D conformational radiation therapy (3D-CRT) or with intensity-modulated radiation therapy (IMRT), there after alveolar bones were contoured using computed axial tomography (CAT scans) carried out following oncological and dental treatment. The dose-volume histograms (DVH) were obtained on the basis of such data, which included those relating to the dental cavities in addition to those inherent to the tumours and the organs at risk.</p></sec><sec><title>Results</title><p>all patients, irrespective of type of treatment, received an average of 60 to 70 grays in 30/35 sittings. The patients treated with IMRT showed higher variation in absorbed radiation dose than those treated with 3D-CRT. The alveolar encirclement allowed the assessment of the absorbed radiation dose, and consequently it also allowed to assess the individual surgical risk for osteonecrosis in patients with head and neck tumours who underwent radiography treatment.</p></sec><sec><title>Conclusions</title><p>the study of DVH allows the assessment of limit dose and the detection of the areas at greater risk for osteoradionecrosis before dental surgery.</p></sec></div></front></TEI><affiliations><list><country><li>Italie</li></country></list><tree><country name="Italie"><noRegion><name sortKey="Carini, Fabrizio" sort="Carini, Fabrizio" uniqKey="Carini F" first="Fabrizio" last="Carini">Fabrizio Carini</name></noRegion><name sortKey="Bucalo, Concetta" sort="Bucalo, Concetta" uniqKey="Bucalo C" first="Concetta" last="Bucalo">Concetta Bucalo</name><name sortKey="Monai, Dario" sort="Monai, Dario" uniqKey="Monai D" first="Dario" last="Monai">Dario Monai</name><name sortKey="Porcaro, Gianluca" sort="Porcaro, Gianluca" uniqKey="Porcaro G" first="Gianluca" last="Porcaro">Gianluca Porcaro</name><name sortKey="Saggese, Vito" sort="Saggese, Vito" uniqKey="Saggese V" first="Vito" last="Saggese">Vito Saggese</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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