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Skeletal Radiology

, Volume 47, Issue 10, pp 1455–1459 | Cite as

Isolated rupture of the accessory soleus tendon: an original and confusing picture

  • Pierre-François Lintingre
  • Eric Pelé
  • Nicolas Poussange
  • Lionel Pesquer
  • Benjamin Dallaudière
Case Report

Abstract

The accessory soleus muscle is an uncommon congenital anatomical variant with a prevalence ranging from 0.7 to 5.5%. Although intermittent and exertional symptoms caused by this supernumerary muscle have been well documented, acute injuries have not. We present a case of an isolated rupture of the accessory soleus tendon with myotendinous retraction, mimicking clinically a “tennis leg.” A 29-year-old woman sustained a hyperdorsal flexion injury of the right ankle with a severe and sudden pain in the middle part of the calf. Radiographs were normal and the diagnosis of “tennis leg” was clinically suspected. Ultrasound demonstrated bilateral accessory soleus muscles. On the symptomatic side, there was a complete isolated rupture of the accessory soleus tendon with myotendinous retraction. These findings were confirmed by magnetic resonance imaging (MRI), which showed no other abnormality. To our knowledge, this acute and misleading presentation has not been reported previously.

Keywords

Accessory soleus muscle Ultrasound Magnetic resonance imaging Tendon rupture Ankle Tennis leg 

Notes

Acknowledgements

The authors would like to thank Dr Philippe Meyer for his contribution and expertise and Mrs Sandi Dincki for assisting with the editing of this manuscript.

Compliance with ethical standards

Conflicts of interest

The authors declare that they have no conflicts of interest.

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Copyright information

© ISS 2018

Authors and Affiliations

  • Pierre-François Lintingre
    • 1
  • Eric Pelé
    • 1
  • Nicolas Poussange
    • 1
  • Lionel Pesquer
    • 1
  • Benjamin Dallaudière
    • 1
    • 2
  1. 1.Centre d’Imagerie Ostéo-articulaireClinique du Sport de Bordeaux-Mérignac 2MérignacFrance
  2. 2.Département d’Imagerie Musculo-squelettiqueCentre Hospitalier Universitaire PellegrinBordeauxFrance

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