Bilateal absence of tarsal navicular bone

Case contributed by Dr Ammar Haouimi

Presentation

Chronic pain of the feet.

Patient Data

Age: 35 years
Gender: Male

The CT scan demonstrates:

  • absence of the tarsal navicular bone bilaterally with enlarged talar head and elongated talar neck
  • decreased joint space between the talus and cuneiform bones with sclerotic changes, osteophytes, and subchondral geodes
  • degenerative changes are also noted of the anterior talocalcaneal joint as well as the cuneocuboid joint

Case Discussion

CT features of bilateral congenital absence of the tarsal navicular bone with secondary degenerative changes of the midtarsal joints.

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