Talar avascular necrosis

Case contributed by Dr Amr Farouk

Presentation

60 years old, non diabetic female patient with ankle pain of 3 months duration.

Patient Data

Age: 60 years old
MRI
  • Mild flattening of the talar dome with diffuse altered MR signal of the majority of the talus bone with relative sparing of the anterior most aspect of the talar head. It appears of low signal on T1, heterogeneous high signal on T2 & STIR weighted images.
  • A serpiginous line is seen in the talar dome immediately below the superior articular surface being of low signal on T1, T2 & STIR.
  • Fluid signal is seen at the subtalar joint and transverse tarsal joint spaces.
  • Subcutaneous edematous changes more pronounced along the medial aspect of the lower leg & ankle.

Case Discussion

Talar avascular necrosis (Dias disease).

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Case information

rID: 38899
Case created: 10th Aug 2015
Last edited: 7th Dec 2015
Inclusion in quiz mode: Included

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