A 170Tm gamma scattering technique for the determination of absolute bone density.
Identifieur interne : 000880 ( PubMed/Corpus ); précédent : 000879; suivant : 000881A 170Tm gamma scattering technique for the determination of absolute bone density.
Auteurs : H. Olkkonen ; P. KarjalainenSource :
- The British journal of radiology [ 0007-1285 ] ; 1975.
English descriptors
- KwdEn :
- MESH :
- chemical : Acrylates, Hydrogen, Polystyrenes, Radioisotopes, Thulium.
- instrumentation : Radionuclide Imaging.
- methods : Radionuclide Imaging.
- Animals, Bone and Bones, Cattle, Mathematics.
Abstract
A new technique for the determination of absolute bone density is described. The procedure is based on the measurement of both transmitted and scattered photons emitted from a 650 mCi radioisotope source of 170Tm in a narrow beam geometry. The method takes into consideration the change in the effective Z/A as a function of bone density which is due to the changing of the elementary composition of bone when bone material is resorbed. The experimental results show that the density of homogeneous materials can be measured with a reproducibility of 2 per cent. The bone density values for the 24 bone specimens measured by the new method show a good correlation (r=0 with 94) with results obtained by application of Archimedes' principle.
DOI: 10.1259/0007-1285-48-571-594
PubMed: 1148593
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pubmed:1148593Le document en format XML
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Karjalainen</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1975">1975</date><idno type="RBID">pubmed:1148593</idno><idno type="pmid">1148593</idno><idno type="doi">10.1259/0007-1285-48-571-594</idno><idno type="wicri:Area/PubMed/Corpus">000880</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000880</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">A 170Tm gamma scattering technique for the determination of absolute bone density.</title><author><name sortKey="Olkkonen, H" sort="Olkkonen, H" uniqKey="Olkkonen H" first="H" last="Olkkonen">H. Olkkonen</name></author><author><name sortKey="Karjalainen, P" sort="Karjalainen, P" uniqKey="Karjalainen P" first="P" last="Karjalainen">P. Karjalainen</name></author></analytic><series><title level="j">The British journal of radiology</title><idno type="ISSN">0007-1285</idno><imprint><date when="1975" type="published">1975</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acrylates</term><term>Animals</term><term>Bone and Bones</term><term>Cattle</term><term>Hydrogen</term><term>Mathematics</term><term>Polystyrenes</term><term>Radioisotopes</term><term>Radionuclide Imaging (instrumentation)</term><term>Radionuclide Imaging (methods)</term><term>Thulium</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Acrylates</term><term>Hydrogen</term><term>Polystyrenes</term><term>Radioisotopes</term><term>Thulium</term></keywords><keywords scheme="MESH" qualifier="instrumentation" xml:lang="en"><term>Radionuclide Imaging</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Radionuclide Imaging</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Bone and Bones</term><term>Cattle</term><term>Mathematics</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A new technique for the determination of absolute bone density is described. The procedure is based on the measurement of both transmitted and scattered photons emitted from a 650 mCi radioisotope source of 170Tm in a narrow beam geometry. The method takes into consideration the change in the effective Z/A as a function of bone density which is due to the changing of the elementary composition of bone when bone material is resorbed. The experimental results show that the density of homogeneous materials can be measured with a reproducibility of 2 per cent. The bone density values for the 24 bone specimens measured by the new method show a good correlation (r=0 with 94) with results obtained by application of Archimedes' principle.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">1148593</PMID><DateCreated><Year>1975</Year><Month>11</Month><Day>07</Day></DateCreated><DateCompleted><Year>1975</Year><Month>11</Month><Day>07</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0007-1285</ISSN><JournalIssue CitedMedium="Print"><Volume>48</Volume><Issue>571</Issue><PubDate><Year>1975</Year><Month>Jul</Month></PubDate></JournalIssue><Title>The British journal of radiology</Title><ISOAbbreviation>Br J Radiol</ISOAbbreviation></Journal><ArticleTitle>A 170Tm gamma scattering technique for the determination of absolute bone density.</ArticleTitle><Pagination><MedlinePgn>594-7</MedlinePgn></Pagination><Abstract><AbstractText>A new technique for the determination of absolute bone density is described. The procedure is based on the measurement of both transmitted and scattered photons emitted from a 650 mCi radioisotope source of 170Tm in a narrow beam geometry. The method takes into consideration the change in the effective Z/A as a function of bone density which is due to the changing of the elementary composition of bone when bone material is resorbed. The experimental results show that the density of homogeneous materials can be measured with a reproducibility of 2 per cent. The bone density values for the 24 bone specimens measured by the new method show a good correlation (r=0 with 94) with results obtained by application of Archimedes' principle.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Olkkonen</LastName><ForeName>H</ForeName><Initials>H</Initials></Author><Author ValidYN="Y"><LastName>Karjalainen</LastName><ForeName>P</ForeName><Initials>P</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>ENGLAND</Country><MedlineTA>Br J Radiol</MedlineTA><NlmUniqueID>0373125</NlmUniqueID><ISSNLinking>0007-1285</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000179">Acrylates</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D011137">Polystyrenes</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D011868">Radioisotopes</NameOfSubstance></Chemical><Chemical><RegistryNumber>7YNJ3PO35Z</RegistryNumber><NameOfSubstance UI="D006859">Hydrogen</NameOfSubstance></Chemical><Chemical><RegistryNumber>8RKC5ATI4P</RegistryNumber><NameOfSubstance UI="D013932">Thulium</NameOfSubstance></Chemical></ChemicalList><CitationSubset>AIM</CitationSubset><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000179">Acrylates</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000818">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D001842">Bone and Bones</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D002417">Cattle</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D006859">Hydrogen</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D008433">Mathematics</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D011137">Polystyrenes</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D011868">Radioisotopes</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D011877">Radionuclide Imaging</DescriptorName><QualifierName MajorTopicYN="N" UI="Q000295">instrumentation</QualifierName><QualifierName MajorTopicYN="Y" UI="Q000379">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D013932">Thulium</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1975</Year><Month>7</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1975</Year><Month>7</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1975</Year><Month>7</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">1148593</ArticleId><ArticleId IdType="doi">10.1259/0007-1285-48-571-594</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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