Organ radiation dose assessment for conventional spiral tomography: a human cadaver study
Identifieur interne : 008920 ( Main/Exploration ); précédent : 008919; suivant : 008921Organ radiation dose assessment for conventional spiral tomography: a human cadaver study
Auteurs : Charbel Bou Serhal ; Daniel Van Steenberghe ; Hilde Bosmans [Belgique] ; Gerard C. H. Sanderink [Pays-Bas] ; Marc Quirynen ; Reinhilde JacobsSource :
- Clinical Oral Implants Research [ 0905-7161 ] ; 2001-02.
English descriptors
- KwdEn :
- Cadaver, Conventional tomography, Cranex, Different organs, Dos, Dosis, Ekestubbe, Frontal, Frontal area, Glande, Glande parotide, Glandula, Glandula tiroides, Helsinki, Highest doses, Human cadaver, Imaging, Implant, Lower jaws, Lowest doses, Mandibular, Mandibular canal, Maxillofacial, Maxillofacial region, Molar, Molar area, Molar areas, Molar regions, Oral impl, Oral pathology, Organ doses, Organ radiation doses, Orion, Orion corporation soredex, Para, Parotid, Parotid gland, Parotid glands, Premolar, Radiation doses, Serhal, Soredex, Spiral tomography, Stelt, Submandibular, Submandibular gland, Submandibular glands, Thyroid gland, Tlds, Tomea, Tomographic, Tomographic examinations, Tomographic slices, Tomographie, Tomography, Velders.
- Teeft :
- Cadaver, Conventional tomography, Cranex, Different organs, Dos, Dosis, Ekestubbe, Frontal, Frontal area, Glande, Glande parotide, Glandula, Glandula tiroides, Helsinki, Highest doses, Human cadaver, Imaging, Implant, Lower jaws, Lowest doses, Mandibular, Mandibular canal, Maxillofacial, Maxillofacial region, Molar, Molar area, Molar areas, Molar regions, Oral impl, Oral pathology, Organ doses, Organ radiation doses, Orion, Orion corporation soredex, Para, Parotid, Parotid gland, Parotid glands, Premolar, Radiation doses, Serhal, Soredex, Spiral tomography, Stelt, Submandibular, Submandibular gland, Submandibular glands, Thyroid gland, Tlds, Tomea, Tomographic, Tomographic examinations, Tomographic slices, Tomographie, Tomography, Velders.
Abstract
Abstract: The head of a human cadaver was positioned in a Cranex TOME® multifunctional unit (Orion Corporation Soredex, Helsinki, Finland) to measure the organ radiation doses after tomographic examinations of the upper and lower edentulous jaw bone. Five consecutive examinations were carried out in the upper and lower anterior jaw regions to cover the entire frontal area, 2 in the upper and lower left premolar regions, and 3 and 4 in the upper and lower left molar regions, respectively. Each examination consisted of 4 slices with a 2 mm slice thickness. Thermoluminescent dosimeter chips were placed in the thyroid gland and bilaterally in the parotid and submandibular glands. Dosimetric measurements were repeated for the different tomographic examinations mentioned above. For spiral tomography in the maxilla, organ doses for both parotid glands were most elevated, while those for the thyroid glands were the lowest. Average doses per examination reached levels of 0.27 mGy for the right (OS) parotid gland with frontal tomography, and 3.89 mGy and 1.67 mGy for the parotid gland at tube‐side (TS) for premolar and molar tomography. For the thyroid gland, a minimal dose of ≤0.004 mGy was noticed for all examinations. For spiral tomography of the frontal area in the mandible, the OS parotid gland received the highest dose (0.77 mGy), while for an analysis of the premolar and molar areas, doses were more elevated for the TS parotid gland (1.22 mGy and 1.72 mGy, respectively). For the TS submandibular gland, organ doses were also raised, with values of 0.39 mGy for frontal, 1.31 mGy for premolar and 1.61 mGy for molar tomography. This study thus indicates that for conventional spiral tomographic examinations in the maxilla and the mandible, radiation doses for the TS submandibular and parotid glands were significantly more elevated than those to the thyroid gland. These values remain however below the organ doses previously reported for spiral CT involving both a full upper or lower jaw.
Url:
DOI: 10.1034/j.1600-0501.2001.012001085.x
Affiliations:
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Sanderink</name><affiliation wicri:level="1"><country xml:lang="fr">Pays-Bas</country><wicri:regionArea>Department of Oral Radiology, Academic Centre for Dentistry Amsterdam</wicri:regionArea><wicri:noRegion>Academic Centre for Dentistry Amsterdam</wicri:noRegion></affiliation></author><author><name sortKey="Quirynen, Marc" sort="Quirynen, Marc" uniqKey="Quirynen M" first="Marc" last="Quirynen">Marc Quirynen</name><affiliation><wicri:noCountry code="subField">Surgery</wicri:noCountry></affiliation></author><author><name sortKey="Jacobs, Reinhilde" sort="Jacobs, Reinhilde" uniqKey="Jacobs R" first="Reinhilde" last="Jacobs">Reinhilde Jacobs</name><affiliation><wicri:noCountry code="subField">Surgery</wicri:noCountry></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">Clinical Oral Implants Research</title><title level="j" type="alt">CLINICAL ORAL IMPLANTS RESEARCH</title><idno type="ISSN">0905-7161</idno><idno type="eISSN">1600-0501</idno><imprint><biblScope unit="vol">12</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="85">85</biblScope><biblScope unit="page" to="90">90</biblScope><biblScope unit="page-count">6</biblScope><publisher>Munksgaard International Publishers</publisher><pubPlace>Copenhagen</pubPlace><date type="published" when="2001-02">2001-02</date></imprint><idno type="ISSN">0905-7161</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0905-7161</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cadaver</term><term>Conventional tomography</term><term>Cranex</term><term>Different organs</term><term>Dos</term><term>Dosis</term><term>Ekestubbe</term><term>Frontal</term><term>Frontal area</term><term>Glande</term><term>Glande parotide</term><term>Glandula</term><term>Glandula tiroides</term><term>Helsinki</term><term>Highest doses</term><term>Human cadaver</term><term>Imaging</term><term>Implant</term><term>Lower jaws</term><term>Lowest doses</term><term>Mandibular</term><term>Mandibular canal</term><term>Maxillofacial</term><term>Maxillofacial region</term><term>Molar</term><term>Molar area</term><term>Molar areas</term><term>Molar regions</term><term>Oral impl</term><term>Oral pathology</term><term>Organ doses</term><term>Organ radiation doses</term><term>Orion</term><term>Orion corporation soredex</term><term>Para</term><term>Parotid</term><term>Parotid gland</term><term>Parotid glands</term><term>Premolar</term><term>Radiation doses</term><term>Serhal</term><term>Soredex</term><term>Spiral tomography</term><term>Stelt</term><term>Submandibular</term><term>Submandibular gland</term><term>Submandibular glands</term><term>Thyroid gland</term><term>Tlds</term><term>Tomea</term><term>Tomographic</term><term>Tomographic examinations</term><term>Tomographic slices</term><term>Tomographie</term><term>Tomography</term><term>Velders</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Cadaver</term><term>Conventional tomography</term><term>Cranex</term><term>Different organs</term><term>Dos</term><term>Dosis</term><term>Ekestubbe</term><term>Frontal</term><term>Frontal area</term><term>Glande</term><term>Glande parotide</term><term>Glandula</term><term>Glandula tiroides</term><term>Helsinki</term><term>Highest doses</term><term>Human cadaver</term><term>Imaging</term><term>Implant</term><term>Lower jaws</term><term>Lowest doses</term><term>Mandibular</term><term>Mandibular canal</term><term>Maxillofacial</term><term>Maxillofacial region</term><term>Molar</term><term>Molar area</term><term>Molar areas</term><term>Molar regions</term><term>Oral impl</term><term>Oral pathology</term><term>Organ doses</term><term>Organ radiation doses</term><term>Orion</term><term>Orion corporation soredex</term><term>Para</term><term>Parotid</term><term>Parotid gland</term><term>Parotid glands</term><term>Premolar</term><term>Radiation doses</term><term>Serhal</term><term>Soredex</term><term>Spiral tomography</term><term>Stelt</term><term>Submandibular</term><term>Submandibular gland</term><term>Submandibular glands</term><term>Thyroid gland</term><term>Tlds</term><term>Tomea</term><term>Tomographic</term><term>Tomographic examinations</term><term>Tomographic slices</term><term>Tomographie</term><term>Tomography</term><term>Velders</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract">Abstract: The head of a human cadaver was positioned in a Cranex TOME® multifunctional unit (Orion Corporation Soredex, Helsinki, Finland) to measure the organ radiation doses after tomographic examinations of the upper and lower edentulous jaw bone. Five consecutive examinations were carried out in the upper and lower anterior jaw regions to cover the entire frontal area, 2 in the upper and lower left premolar regions, and 3 and 4 in the upper and lower left molar regions, respectively. Each examination consisted of 4 slices with a 2 mm slice thickness. Thermoluminescent dosimeter chips were placed in the thyroid gland and bilaterally in the parotid and submandibular glands. Dosimetric measurements were repeated for the different tomographic examinations mentioned above. For spiral tomography in the maxilla, organ doses for both parotid glands were most elevated, while those for the thyroid glands were the lowest. Average doses per examination reached levels of 0.27 mGy for the right (OS) parotid gland with frontal tomography, and 3.89 mGy and 1.67 mGy for the parotid gland at tube‐side (TS) for premolar and molar tomography. For the thyroid gland, a minimal dose of ≤0.004 mGy was noticed for all examinations. For spiral tomography of the frontal area in the mandible, the OS parotid gland received the highest dose (0.77 mGy), while for an analysis of the premolar and molar areas, doses were more elevated for the TS parotid gland (1.22 mGy and 1.72 mGy, respectively). For the TS submandibular gland, organ doses were also raised, with values of 0.39 mGy for frontal, 1.31 mGy for premolar and 1.61 mGy for molar tomography. This study thus indicates that for conventional spiral tomographic examinations in the maxilla and the mandible, radiation doses for the TS submandibular and parotid glands were significantly more elevated than those to the thyroid gland. These values remain however below the organ doses previously reported for spiral CT involving both a full upper or lower jaw.</div></front></TEI><affiliations><list><country><li>Belgique</li><li>Pays-Bas</li></country></list><tree><noCountry><name sortKey="Jacobs, Reinhilde" sort="Jacobs, Reinhilde" uniqKey="Jacobs R" first="Reinhilde" last="Jacobs">Reinhilde Jacobs</name><name sortKey="Quirynen, Marc" sort="Quirynen, Marc" uniqKey="Quirynen M" first="Marc" last="Quirynen">Marc Quirynen</name><name sortKey="Serhal, Charbel Bou" sort="Serhal, Charbel Bou" uniqKey="Serhal C" first="Charbel Bou" last="Serhal">Charbel Bou Serhal</name><name sortKey="Van Steenberghe, Daniel" sort="Van Steenberghe, Daniel" uniqKey="Van Steenberghe D" first="Daniel" last="Van Steenberghe">Daniel Van Steenberghe</name></noCountry><country name="Belgique"><noRegion><name sortKey="Bosmans, Hilde" sort="Bosmans, Hilde" uniqKey="Bosmans H" first="Hilde" last="Bosmans">Hilde Bosmans</name></noRegion></country><country name="Pays-Bas"><noRegion><name sortKey="Sanderink, Gerard C H" sort="Sanderink, Gerard C H" uniqKey="Sanderink G" first="Gerard C. H." last="Sanderink">Gerard C. H. Sanderink</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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