Related Experiment Video
Updated: Jan 19, 2026

A Platelet-Rich Plasma Injection into the Sectioned Achilles Tendon of a Rat
[Achilles tendon rupture-Part 1: etiology and diagnostics]
1HKF - Internationales Zentrum für Hüft‑, Knie- und Fußchirurgie, ATOS Klinik Heidelberg, Bismarckstr. 9-15, 69115, Heidelberg, Deutschland. hajo.thermann@atos.de.
Achilles tendon rupture diagnosis and treatment are enhanced by imaging. Sonography and MRI aid in evaluating rupture severity, guiding conservative or surgical treatment, and monitoring healing progress.
Area of Science:
- Orthopedics
- Sports Medicine
- Radiology
Background:
- The Achilles tendon is crucial for locomotion, and its rupture severely impacts mobility.
- Clinical diagnosis of Achilles tendon rupture can be challenging due to factors like hematoma.
- Imaging modalities are essential for accurate assessment and treatment planning.
Purpose of the Study:
- To evaluate the role of sonography and MRI in diagnosing Achilles tendon ruptures.
- To assess the effectiveness of imaging in guiding treatment decisions.
- To monitor the healing process of Achilles tendon ruptures using sonography.
Main Methods:
- Clinical examination including Thompson test and one-leg heel raise.
- Dynamic sonography to assess tendon end adaptation and localization.
- Magnetic resonance imaging (MRI) for detailed tendon structure evaluation.
- Sonographic follow-up examinations at 4 and 8 weeks post-treatment.
Main Results:
- Sonography effectively determines rupture localization and dynamic tendon end adaptation.
- Complete adaptation of tendon ends suggests suitability for conservative treatment.
- Sonographic follow-up shows increased volume at the rupture site, indicating normal healing.
- MRI verifies rupture and provides detailed structural information.
Conclusions:
- Sonography and MRI are valuable tools for diagnosing Achilles tendon ruptures.
- Imaging guides the choice between conservative and surgical management.
- Serial sonography effectively monitors the healing trajectory of Achilles tendon ruptures.
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