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Ankle Joint

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...

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Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

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Total Ankle Arthroplasty: An Imaging Overview.

Da-Rae Kim¹, Yun Sun Choi¹, Hollis G Potter²

¹Department of Diagnostic Radiology, Eulji Hospital, Eulji University, Seoul 01830, Korea.

Korean Journal of Radiology

|May 3, 2016

Summary

Total ankle arthroplasty (TAA) is a growing alternative for ankle arthritis. This review details TAA imaging features, aiding radiologists in identifying complications and ensuring proper patient management.

Keywords:

Ankle replacement arthroplasty Computed tomography Magnetic resonance imaging Radiography

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Area of Science:

Orthopedic Surgery
Radiology
Biomedical Engineering

Background:

Total ankle arthroplasty (TAA) is increasingly utilized for end-stage ankle arthritis, offering an alternative to ankle fusion.
Despite its rising popularity, comprehensive literature on the specific imaging characteristics of TAA is lacking.
Understanding these imaging features is crucial for effective postoperative assessment.

Purpose of the Study:

To review the fundamental design of current total ankle arthroplasty systems.
To describe the normal and abnormal imaging findings following TAA.
To highlight the importance of multimodal imaging in evaluating TAA complications.

Main Methods:

A comprehensive literature review was conducted.
The review focused on identifying basic design principles of contemporary TAA devices.
Analysis included normal and abnormal postoperative imaging features across various modalities.

Main Results:

Radiography is the primary tool for pre- and postoperative evaluation of TAA.
Computed tomography (CT) and magnetic resonance imaging (MRI) offer detailed characterization of abnormalities.
Common procedural complications and their imaging manifestations at different postoperative times were identified.

Conclusions:

Familiarity with the imaging features of TAA is essential for radiologists.
Multimodal imaging assessment is key to diagnosing complications after TAA.
Accurate interpretation of TAA imaging supports optimal patient outcomes and management.