A ligament in the lumbar foramina: inverted Y ligament: an anatomic report

Spine
Y Sukru Caglar YAlaittin Elhan

Abstract

The objective of this study was to investigate the ligaments in the exit zone of lumbar foramen and describe their anatomic relationships with adjacent structures. Few studies have been reported on the ligaments of foramen and the anatomic relationships on the lumbar level. The ligament described in this study is novel since it has not been reported previously. Ten male and five female cadavers were used to investigate intraforaminal area and ligaments of the lumbar level. The cadavers were filled with colored latex, and the lumbar foramen were examined under operative microscope. A lumbar foramen branched off into two or three main passages, composed of inverted Y ligament form. The medial lower arm of Y ligament was attached to the upper and anterior surface of the superior articular process of the lower corpus vertebra. Its lateral lower arm was attached to the upper surface of the area where the lower corpus vertebra and its pedicle met, and the upper arm was attached to the lower surface of the pedicle of upper vertebra where it met with transverse process. The anatomic properties of vascular and nervous structures in foramen and the relations among them are described. The ligament detected in the study was different from ...Continue Reading

References

Jan 1, 1989·Surgical and Radiologic Anatomy : SRA·F de PerettiP Rabischong
Jan 1, 1984·Neuroradiology·O SchubigerJ Hollmann
May 20, 1999·Spine·F Postacchini
Mar 7, 2000·Spine·L G Jenis, H S An

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Citations

Nov 4, 2016·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Junlin LiLina Wang
Jun 19, 2019·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Dina WiersbickiHanno Steinke

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