Abstract
Failure of closed reduction for an interphalangeal joint dislocation of the great toe resulted from an intra-articular ossicle interposed between the articular cartilages of the phalanges. The knowledge concerning the intra-articular ossicle is unclear. A study was thus carried out on 100 fresh great toes to document the appearance, number, size, and location of the intra-articular ossicle found in the interphalangeal joint of the great toe. Roentgenographic studies of the joint revealed 86% of bony mass representing either the sesamoid bone or the intra-articular ossicle. Anatomical studies revealed no sesamoid bone in the flexor hallucis longus tendon. There was 88% of intra-articular ossicle on the dorsal surface of the plantar capsule of the interphalangeal joint. A medial surgical approach to reduce the irreducible dislocation is thus suggested as easier and safer than other approaches.
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Acknowledgments
The authors gratefully acknowledge the Department of Anatomy, Faculty of Medicine Chiang Mai University for samples. A special thanks is expressed to Dr. Chanintr Mahakkanukrauh the American Board of orthopedic to approve the manuscript. The authors have no conflict of interest.
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Suwannahoy, P., Srisuwan, T., Pattamapaspong, N. et al. Intra-articular ossicle in interphalangeal joint of the great toe and clinical implication. Surg Radiol Anat 34, 39–42 (2012). https://doi.org/10.1007/s00276-011-0830-x
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DOI: https://doi.org/10.1007/s00276-011-0830-x