Split tear of the tibialis posterior tendon

Case contributed by Dr Mohammad A. ElBeialy

Presentation

Medial foot pain with weak plantar flexion of the foot. No history of trauma.

Patient Data

Age: 50 years
Gender: Female
Modality: MRI
  • The distal most tibialis posterior tendon shows thickening and ill-definition with increased signal intensity eliciting intermediate T1 and hyperintense T2 / GRE signal intensity as well as split tear near its insertion in the navicular tuberosity.
  • Associated subcutaneous tissue edema is seen at the medial aspect of the ankle.
  • The calcaneo-navicular (spring) ligament appears ill-defined with increased signal intensity as well.
  • The plantar fascia appears thickened with hypointense T1 and T2 signals. Bony plantar calcaneal spur is noted.
  • Intact other tendons around the ankle.
  • Normal collateral ligaments.
  • Normal signal pattern of the examined bones.
  • No significant joint effusion.
  • No soft tissue mass lesion.

Case Discussion

  • Split tear of the distal tibialis posterior tendon with tendinosis as well as associated mild subcutaneous edema of the medial ankle.
  • Mild sprain of calcaneo-navicular (spring) ligament.
  • Mild chronic plantar fasciitis with small bony plantar calcaneal spur.

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Case Information

rID: 29462
Case created: 26th May 2014
Last edited: 16th Dec 2015
Inclusion in quiz mode: Included

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