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Published on: January 24, 2018
Lateral ankle ligaments: MR arthrography with anatomic correlation in cadavers
Mayura Boonthathip1, Lina Chen, Debra Trudell
1Department of Radiology, Lerdsin General Hospital, Bangkok, Thailand 10500. mayura_boon@yahoo.com
Clinical Imaging
|January 18, 2011
Summary
Oblique magnetic resonance (MR) imaging planes improve visualization of lateral ankle ligaments, aiding radiologists in diagnosing injuries. Understanding ligament anatomy is crucial for accurate diagnosis.
Area of Science:
- Radiology
- Anatomy
- Medical Imaging
Background:
- The lateral ankle ligaments are complex structures crucial for ankle stability.
- Accurate visualization of these ligaments is essential for diagnosing ankle injuries.
Purpose of the Study:
- To demonstrate the anatomy of the lateral ankle ligaments using magnetic resonance (MR) imaging and MR arthrography.
- To evaluate the utility of standard and oblique imaging planes in cadavers.
Main Methods:
- MR imaging of ten cadaveric ankles was performed before and after contrast administration.
- Proton-density MR images were acquired in standard and oblique planes.
- MR images were correlated with anatomic sections.
Main Results:
- The anterior talofibular ligament (ATFL) showed variable banding.
- The calcaneofibular ligament (CFL) visualization was optimized in an axial oblique plane.
- The posterior talofibular ligament (PTFL) appeared multi-fasciculated and was best depicted in dorsiflexion.
Conclusions:
- Oblique imaging planes enhance visualization of lateral ankle ligament anatomy.
- Ankle joint positioning affects ligament orientation.
- Improved understanding of ligament morphology aids in diagnosing abnormalities.
