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[Frontal talus cleft--talus bipartitus].

W Blauth1, K Harten, A Kirgis

  • 1Orthopädischen Universitätsklinik Kiel.

Zeitschrift Fur Orthopadie Und Ihre Grenzgebiete
|May 1, 1987
PubMed
Summary

A rare frontal split of the talus, a foot malformation, was observed in a teen. This finding suggests an atavistic origin, challenging current theories on talar ossification.

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Area of Science:

  • Orthopedics
  • Human Anatomy
  • Developmental Biology

Background:

  • The frontal split of the talus is an extremely rare congenital foot anomaly.
  • Only three cases have been previously documented in medical literature.

Observation:

  • A 16-year-old patient presented with ankle joint discomfort and restricted movement.
  • Radiographic imaging revealed an articular connection between the ankle and subtalar joints.
  • No evidence of trauma, avascular necrosis, accessory bones, or abnormal ossification was found.

Findings:

  • The observed case of frontal talar split is the fourth reported globally.
  • The condition presented as an articular link between the ankle and subtalar joints.
  • Etiological factors such as trauma or abnormal ossification were ruled out.

Implications:

  • The frontal split of the talus may represent an atavistic malformation, reflecting evolutionary developmental pathways.
  • This finding contrasts with the prevailing hypothesis that talar splits result from duplicated ossification.
  • Further research into the phylogenetic origins of foot skeletal development is warranted.

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