Radiographic Anatomy of the Distal Dural Sac: A Myelographic Investigation of Dimensions and Termination
A radio-anatomical study was performed of the distal dural sac (DS) in 121 patients subjected to myelography. In 83.4% the termination of the DS was located from the upper half of the S1-segment to the lower half of the S2-segment. In the remaining patients the dural terminations were more distally...
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| Veröffentlicht in: | Acta radiologica (1987) 1991-05, Vol.32 (3), p.214-219 |
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| container_title | Acta radiologica (1987) |
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| creator | Larsen, J. L. Olsen, K. O. |
| description | A radio-anatomical study was performed of the distal dural sac (DS) in 121 patients subjected to myelography. In 83.4% the termination of the DS was located from the upper half of the S1-segment to the lower half of the S2-segment. In the remaining patients the dural terminations were more distally located. The average location of the DS-termination was higher than that found in a previous anatomic study. The inference is that in patients with low-back pain and sciatica, the DS tends to terminate at a higher spinal level than in a non-selected anatomic material. The caudal reduction in sagittal diameter of the DS was less than that of the frontal diameter of the sac. The linear diminution in cross-sectional area of the DS from the level of L3 towards the lumbosacral junction was not correlated with the degree of caudal extension of the DS into the sacrum. Thus the length of the DS and its transverse diameters are independent of each other. These results supported the view that the location of the termination of the DS (and hence that of the spinal cord) is not related to stenosis of the central spinal canal. |
| doi_str_mv | 10.1177/028418519103200306 |
| format | Article |
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L. ; Olsen, K. O.</creator><creatorcontrib>Larsen, J. L. ; Olsen, K. O.</creatorcontrib><description>A radio-anatomical study was performed of the distal dural sac (DS) in 121 patients subjected to myelography. In 83.4% the termination of the DS was located from the upper half of the S1-segment to the lower half of the S2-segment. In the remaining patients the dural terminations were more distally located. The average location of the DS-termination was higher than that found in a previous anatomic study. The inference is that in patients with low-back pain and sciatica, the DS tends to terminate at a higher spinal level than in a non-selected anatomic material. The caudal reduction in sagittal diameter of the DS was less than that of the frontal diameter of the sac. The linear diminution in cross-sectional area of the DS from the level of L3 towards the lumbosacral junction was not correlated with the degree of caudal extension of the DS into the sacrum. Thus the length of the DS and its transverse diameters are independent of each other. These results supported the view that the location of the termination of the DS (and hence that of the spinal cord) is not related to stenosis of the central spinal canal.</description><identifier>ISSN: 0284-1851</identifier><identifier>EISSN: 1600-0455</identifier><identifier>DOI: 10.1177/028418519103200306</identifier><identifier>PMID: 1829618</identifier><identifier>CODEN: ACRAE3</identifier><language>eng</language><publisher>London, England: SAGE Publications</publisher><subject>Adolescent ; Adult ; Aged ; Back Pain - diagnostic imaging ; Biological and medical sciences ; Child ; Diseases of the osteoarticular system ; Dura Mater - anatomy & histology ; Dura Mater - diagnostic imaging ; Female ; Humans ; Male ; Medical sciences ; Middle Aged ; Myelography ; Sacrum - diagnostic imaging</subject><ispartof>Acta radiologica (1987), 1991-05, Vol.32 (3), p.214-219</ispartof><rights>1991 The Foundation Acta Radiologica</rights><rights>1992 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c320t-62f762c8795a34eeb24ea5d56e00c5c2948ce09ef419212f84388a3135b31b853</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27922,27923</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=5356003$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/1829618$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Larsen, J. L.</creatorcontrib><creatorcontrib>Olsen, K. O.</creatorcontrib><title>Radiographic Anatomy of the Distal Dural Sac: A Myelographic Investigation of Dimensions and Termination</title><title>Acta radiologica (1987)</title><addtitle>Acta Radiol</addtitle><description>A radio-anatomical study was performed of the distal dural sac (DS) in 121 patients subjected to myelography. In 83.4% the termination of the DS was located from the upper half of the S1-segment to the lower half of the S2-segment. In the remaining patients the dural terminations were more distally located. The average location of the DS-termination was higher than that found in a previous anatomic study. The inference is that in patients with low-back pain and sciatica, the DS tends to terminate at a higher spinal level than in a non-selected anatomic material. The caudal reduction in sagittal diameter of the DS was less than that of the frontal diameter of the sac. The linear diminution in cross-sectional area of the DS from the level of L3 towards the lumbosacral junction was not correlated with the degree of caudal extension of the DS into the sacrum. Thus the length of the DS and its transverse diameters are independent of each other. These results supported the view that the location of the termination of the DS (and hence that of the spinal cord) is not related to stenosis of the central spinal canal.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Aged</subject><subject>Back Pain - diagnostic imaging</subject><subject>Biological and medical sciences</subject><subject>Child</subject><subject>Diseases of the osteoarticular system</subject><subject>Dura Mater - anatomy & histology</subject><subject>Dura Mater - diagnostic imaging</subject><subject>Female</subject><subject>Humans</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Myelography</subject><subject>Sacrum - diagnostic imaging</subject><issn>0284-1851</issn><issn>1600-0455</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kEtLw0AQxxdRaq1-AUHIQTwZO7OvbI7S-oKC4OMcNttNm5JH3U0O_fZuSdGD4GXmML__zPAj5BLhDjFJpkAVRyUwRWAUgIE8ImOUADFwIY7JeA_Ee-KUnHm_AUCaCByRESqaSlRjcvuml2W7cnq7Lk103-iurXdRW0Td2kbz0ne6iua9C_Vdm3NyUujK24tDn5DPx4eP2XO8eH16md0vYhPe6GJJi0RSo5JUaMatzSm3WiyFtABGGJpyZSyktuCYUqSF4kwpzZCJnGGuBJuQm2Hv1rVfvfVdVpfe2KrSjW17nymQEoHyANIBNK713tki27qy1m6XIWR7RdlfRSF0ddje57Vd_kYGJ2F-fZhrb3RVON2Y0v9ggolgmAVsOmBer2y2aXvXBCf_Hf4G-6B3qg</recordid><startdate>19910501</startdate><enddate>19910501</enddate><creator>Larsen, J. L.</creator><creator>Olsen, K. O.</creator><general>SAGE Publications</general><general>Taylor & Francis</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>19910501</creationdate><title>Radiographic Anatomy of the Distal Dural Sac</title><author>Larsen, J. L. ; Olsen, K. O.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c320t-62f762c8795a34eeb24ea5d56e00c5c2948ce09ef419212f84388a3135b31b853</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Aged</topic><topic>Back Pain - diagnostic imaging</topic><topic>Biological and medical sciences</topic><topic>Child</topic><topic>Diseases of the osteoarticular system</topic><topic>Dura Mater - anatomy & histology</topic><topic>Dura Mater - diagnostic imaging</topic><topic>Female</topic><topic>Humans</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Myelography</topic><topic>Sacrum - diagnostic imaging</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Larsen, J. L.</creatorcontrib><creatorcontrib>Olsen, K. O.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Acta radiologica (1987)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Larsen, J. L.</au><au>Olsen, K. O.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Radiographic Anatomy of the Distal Dural Sac: A Myelographic Investigation of Dimensions and Termination</atitle><jtitle>Acta radiologica (1987)</jtitle><addtitle>Acta Radiol</addtitle><date>1991-05-01</date><risdate>1991</risdate><volume>32</volume><issue>3</issue><spage>214</spage><epage>219</epage><pages>214-219</pages><issn>0284-1851</issn><eissn>1600-0455</eissn><coden>ACRAE3</coden><abstract>A radio-anatomical study was performed of the distal dural sac (DS) in 121 patients subjected to myelography. In 83.4% the termination of the DS was located from the upper half of the S1-segment to the lower half of the S2-segment. In the remaining patients the dural terminations were more distally located. The average location of the DS-termination was higher than that found in a previous anatomic study. The inference is that in patients with low-back pain and sciatica, the DS tends to terminate at a higher spinal level than in a non-selected anatomic material. The caudal reduction in sagittal diameter of the DS was less than that of the frontal diameter of the sac. The linear diminution in cross-sectional area of the DS from the level of L3 towards the lumbosacral junction was not correlated with the degree of caudal extension of the DS into the sacrum. Thus the length of the DS and its transverse diameters are independent of each other. These results supported the view that the location of the termination of the DS (and hence that of the spinal cord) is not related to stenosis of the central spinal canal.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><pmid>1829618</pmid><doi>10.1177/028418519103200306</doi><tpages>6</tpages></addata></record> |
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| ispartof | Acta radiologica (1987), 1991-05, Vol.32 (3), p.214-219 |
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| language | eng |
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| source | MEDLINE; Taylor & Francis Journals Complete |
| subjects | Adolescent Adult Aged Back Pain - diagnostic imaging Biological and medical sciences Child Diseases of the osteoarticular system Dura Mater - anatomy & histology Dura Mater - diagnostic imaging Female Humans Male Medical sciences Middle Aged Myelography Sacrum - diagnostic imaging |
| title | Radiographic Anatomy of the Distal Dural Sac: A Myelographic Investigation of Dimensions and Termination |
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