Role of Iliolumbar Ligament in Identification of L5 Vertebra on MRI in Lumbosacral Transitional Anomalies

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dc.contributor.authorSingh, Amrit Paulen_US
dc.contributor.authorGarg, Gauraven_US
dc.contributor.authorSrivastava, Vineeten_US
dc.date.accessioned2020-01-02T06:08:30Z
dc.date.available2020-01-02T06:08:30Z
dc.date.issued2019-07
dc.description.abstractLabeling a transitional vertebra (lumbarization or sacralization) as "LSTV" helps in simplifying the reporting process but leads to mis-numbering and must be avoided, as reliable identification of vertebral levels is essential for surgical interventions and image guided interventions. Many parameters have been described to identify the vertebral level; however, there are contradictory results in literature regarding their usefulness. Objective: To determine the role of iliolumbar ligament (ILL) on MRI as an identifier of the L5 vertebra in cases of LSTV anomalies. Methods: 200 patients with confirmed L5 level (identified on MRI screening of whole spine) were included in the study. These were further divided into group I (159 patients), II (31 patients) and III (10 patients) consisting of normal spine, spine with sacralization and with lumbarization respectively. The level(s) of origin of the ILL was documented in all of them and analysis was done. Results: ILL was found bilaterally in all patients. All patients with normal lumbosacral junction had ILL arising from L5 bilaterally. Among sacralization group, 23 patients had ILL arising from L4, 2 patients had ILL arising from L5 and 6 patients had ILL arising from L4 on sacralized side and from L5 contralaterally. Among Lumbarization group 2 patients had ILL arising from S1, 5 patients had ILL arising from L5 and 3 patients had ILL arising from S1 on side of lumbarization and from L5 contralaterally. Conclusion: Our study demonstrated that ILL is not a reliable identifier of the L5 vertebra in the setting of LSTV anomalies. It rather identifies the lowest lumbar-type vertebral segment only.en_US
dc.identifier.affiliationsAssistant Professor, Department of Radiodiagnosis, Muzaffarnagar Medical College, Muzaffarnagar, U.P.en_US
dc.identifier.affiliationsSenior Resident, Department of Radiodiagnosis, Muzaffarnagar Medical College, Muzaffarnagar, U.P.en_US
dc.identifier.citationSingh Amrit Paul, Garg Gaurav, Srivastava Vineet. Role of Iliolumbar Ligament in Identification of L5 Vertebra on MRI in Lumbosacral Transitional Anomalies. Annals of International medical and Dental Research. 2019 Jul; 5(4): 1-5en_US
dc.identifier.issn2395-2822
dc.identifier.issn2395-2814
dc.identifier.placeIndiaen_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/188998
dc.languageenen_US
dc.publisherSociety for Health Care & Research Developmenten_US
dc.relation.issuenumber4en_US
dc.relation.volume5en_US
dc.source.urihttps://doi.org/10.21276/aimdr.2019.5.4.RD1en_US
dc.subjectIliolumbar ligamenten_US
dc.subjectLSTVen_US
dc.subjectLumbarizationen_US
dc.subjectSacralizationen_US
dc.titleRole of Iliolumbar Ligament in Identification of L5 Vertebra on MRI in Lumbosacral Transitional Anomaliesen_US
dc.typeJournal Articleen_US
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