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The interrelationship between anterior cruciate ligament tibial footprint and anterolateral meniscal root insertions: Quantitative, morphological and positional analyses using three-dimensional computed tomography images
- Source :
- The Knee. 26(5)
- Publication Year :
- 2019
-
Abstract
- The purpose of this study was to evaluate quantitative, morphological and positional differences between the anterior cruciate ligament (ACL) tibial footprint and anterolateral meniscal root (ALMR) insertion and investigate an intraoperative landmark to estimate their boundaries.Thirty-three fixed human cadaveric knees were evaluated. After resecting the components, the anterior fiber (AF) and posterior fiber (PF) of ALMR, the tibial center of ACL bundles (anteromedial (AM) and posterolateral (PL) bundles) and ACL were marked. Insertion morphology was classified into three categories, and the distance and relative positional relationship between AF/PF insertions and the center of each attachment were measured on three-dimensional computed tomography images.There was no significant difference between the AF of AM and ACL (P = 0.16), but both were significantly shorter than the AF of PL (both P 0.001). There was no significant difference between the PF of ACL and PL (P = 0.99), which were significantly shorter than PF of AM (both P 0.001). Morphology of the ACL tibial insertion was classified as follows: triangular, 15 knees (45.5%); oval, 18 knees (54.5%); none, C-shape. Quantitative and positional analyses showed that the AF insertion was significantly closer to AM and ACL centers in the oval type than in the triangular type. Excluding two cases, the AF/PF insertion was located laterally to the ML center of the medial and lateral intercondylar tubercles.Proximity of ACL tibial footprint and ALMR varies by their footprint morphology. The medial and lateral intercondylar tubercles were useful landmarks for ALMR injury prevention.
- Subjects :
- Male
Knee Joint
Anterior cruciate ligament
Computed tomography
Menisci, Tibial
Footprint
03 medical and health sciences
0302 clinical medicine
Imaging, Three-Dimensional
medicine
Cadaver
Humans
Orthopedics and Sports Medicine
Anterior Cruciate Ligament
Aged
Aged, 80 and over
030222 orthopedics
medicine.diagnostic_test
Anterior Cruciate Ligament Reconstruction
Tibia
business.industry
Significant difference
030229 sport sciences
Anatomy
Middle Aged
musculoskeletal system
medicine.anatomical_structure
Female
business
Cadaveric spasm
Tomography, X-Ray Computed
Subjects
Details
- ISSN :
- 18735800
- Volume :
- 26
- Issue :
- 5
- Database :
- OpenAIRE
- Journal :
- The Knee
- Accession number :
- edsair.doi.dedup.....0f4e7cf5bc6f41399b992ddcbedfd9ea