https://youtube.com/shorts/RXiiFGkvFOU
A distinctive extra-articular subtype of TCC where an os sustentaculum bridges the talus and calcaneus. Unlike an incidental accessory ossicle, this variant functions as part of the coalition itself.
Radiology Insights
- Prevalence: ~24% of all TCCs (more common than once believed).
- Imaging:
- Clinical Significance:
⚠️ Pearl: Smooth cortical margins suggest a normal accessory facet, but osseous deformity + marrow edema = true coalition.
#TalocalcanealCoalition, #OsSustentaculum, #SubtalarCoalition, #FootMRI, #CTankle, #MSKRadiology, #RadiologyEducation, #FootAndAnkle, #OrthopedicImaging, #RadiologyMastery
Visualizing MSK Radiology: A Practical Guide to Radiology Mastery
© 2022 MSK MRI Jee Eun Lee All Rights Reserved.
No unauthorized reproduction, redistribution, or use for AI training.
