Split tear of the tibialis posterior tendon
Medial foot pain with weak plantar flexion of the foot. No history of trauma.
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- 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.
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- 2- Pritsch T, Maman E, Steinberg E et-al. Posterior tibial tendon dysfunction. Harefuah. 2004;143 (2): 136-41, 165. Pubmed citation
- 3- Rosenberg ZS. Chronic rupture of the posterior tibial tendon. Magn Reson Imaging Clin N Am. 1995;2 (1): 79-87. Pubmed citation
- 4- Peduto AJ, Read JW. Imaging of ankle tendinopathy and tears. Top Magn Reson Imaging. 2010;21 (1): 25-36. doi:10.1097/RMR.0b013e31820ef505 - Pubmed citation