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Updated: Sep 5, 2025

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Harvesting of Peroneus Longus Tendon Autograft
Published on: September 2, 2025
39
[Atraumatic rupture of the extensor hallucis longus tendon]
Jan Peters1, Hans-Christian Köhler1, Doris Müller-Meinhard1
1Bundeswehrkrankenhaus Westerstede Klinik für Orthopädie und Unfallchirurgie, Plastische, Rekonstruktive und Handchirurgie.
Summary
An atraumatic extensor hallucis longus tendon rupture is rare. This case highlights a young patient experiencing sudden functional loss without a clear cause, prompting further investigation into underlying factors.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Tendinopathy Research
Background:
- Atraumatic rupture of the extensor hallucis longus (EHL) tendon is an uncommon injury.
- Potential causes include chronic overload from sports, anatomical abnormalities, prior surgeries, and localized drug injections.
- These factors can predispose the EHL tendon to spontaneous failure.
Observation:
- A young patient presented with a sudden and complete loss of function in the EHL tendon.
- The patient had no history of trauma or other identifiable predisposing factors.
- This presentation was unusual given the typical etiologies of EHL tendon rupture.
Findings:
- The case details an EHL tendon rupture occurring without any apparent precipitating event.
- Diagnostic workup aimed to identify any subtle contributing factors not immediately obvious.
- The etiology remained idiopathic in this specific young patient.
Implications:
- This case underscores the possibility of EHL tendon rupture in young individuals without typical risk factors.
- Further research may be needed to explore less common or previously unrecognized causes of atraumatic tendon rupture.
- Highlights the importance of thorough clinical evaluation for unexplained tendon dysfunction.

