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Morphological features of the bifurcated ligament
Mutsuaki Edama1,2, M Ikezu3, F Kaneko3
1Institute for Human Movement and Medical Sciences, Niigata University of Health and Welfare, Shimami-cho 1398, kita-ku, Niigata, 950-3198, Japan. edama@nuhw.ac.jp.
Surgical and Radiologic Anatomy : SRA
|August 22, 2018
Summary
This study details the morphological characteristics of the bifurcate ligament, a structure difficult to diagnose in injuries. Understanding its variations and deep anatomical position is crucial for accurate diagnostic imaging.
Area of Science:
- Anatomy
- Orthopedics
- Radiology
Background:
- Bifurcate ligament injuries are challenging to diagnose via imaging.
- Insufficient elucidation of the bifurcate ligament's morphology contributes to diagnostic difficulties.
Purpose of the Study:
- To elucidate the morphological characteristics of the bifurcate ligament through a large-scale cadaveric study.
- To provide foundational data for improving diagnostic imaging of bifurcate ligament injuries.
Main Methods:
- Examined 100 feet from 52 formalin-fixed cadavers.
- Classified the bifurcate ligament into three types based on the presence/absence of its components.
- Measured the length, width, and thickness of ligament fiber bundles.
Main Results:
- 68% of feet were Type I (both calcaneonavicular and calcaneocuboid ligaments present), 32% were Type II (calcaneocuboid absent).
- Provided specific measurements for the calcaneonavicular and calcaneocuboid ligaments.
- Detailed the deep anatomical location of the bifurcate ligament and its components relative to surrounding structures.
Conclusions:
- Variations and deep anatomical positioning of the bifurcate ligament complicate diagnostic imaging.
- The study's findings offer essential data for enhancing the diagnostic imaging of bifurcate ligament injuries.
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