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Updated: Jun 14, 2026

A Mouse Model of Ankle-Subtalar Complex Joint Instability

A Mouse Model of Ankle-Subtalar Complex Joint Instability

Published on: October 28, 2022

Congenital subtalar dislocation--a case report.

Raghav Saini¹, M S Dhillon, S S Gill

¹Department of Orthopaedics, Postgraduate Institute of Medical Education and Research, Sector 12, Chandigarh 160 012, India. raghav_pgi@yahoo.co.in

Foot (Edinburgh, Scotland)

|March 24, 2010

Summary

This summary is machine-generated.

Related Concept Videos

Ankle Joint

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...

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Congenital dislocation of the subtalar joint is a rare cause of calcaneo-valgus foot. Surgical correction and long-term orthosis use can lead to excellent functional outcomes in affected children.

Area of Science:

Orthopedics
Pediatric Orthopedics
Foot and Ankle Surgery

Background:

Congenital dislocation of the subtalar joint is an exceptionally rare condition.
It presents as a severe calcaneo-valgus foot deformity from birth.
This case represents the second reported instance in medical literature.

Observation:

An 18-month-old female presented with a lifelong calcaneo-valgus deformity of the left foot.
The child walked on the medial aspect of her foot and medial malleolus.
Radiographs and 3D CT scans confirmed congenital subtalar joint dislocation.

Findings:

Surgical correction involved a posterolateral approach with joint reduction.
The reduced joint was stabilized with K-wires for 6 weeks.

Related Experiment Videos

Last Updated: Jun 14, 2026

A Mouse Model of Ankle-Subtalar Complex Joint Instability

A Mouse Model of Ankle-Subtalar Complex Joint Instability

Published on: October 28, 2022

Post-operative management included a below-knee cast for 6 weeks and an ankle-foot orthosis for 3 years.

Implications:

This rare condition should be considered in the differential diagnosis of calcaneo-valgus foot.
Successful surgical management requires accurate diagnosis and precise reduction.
Long-term follow-up with orthotic use is crucial for favorable outcomes and maintaining joint alignment.