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Updated: Jul 29, 2026

Culture of Murine Embryonic Metatarsals: A Physiological Model of Endochondral Ossification
Published on: December 3, 2016
Meniscal ossification. I. Human
J A Ogden1, T M Ganey, J A Arrington
1Shriners Hospital for Crippled Children, Tampa, Florida 33612-9499.
Meniscal ossicles in patients can be post-traumatic or developmental. Histologic analysis revealed differences compared to animal models, with one young patient presenting a spontaneous case linked to tibia vara and TAR syndrome.
Area of Science:
- Orthopedic Surgery
- Developmental Biology
- Histopathology
Background:
- Meniscal ossicles are rare intra-articular anomalies.
- Understanding their etiology is crucial for diagnosis and treatment.
Observation:
- Three cases of medial meniscal ossicles were analyzed.
- Two cases were associated with trauma, one with developmental factors.
- The developmental case involved a young patient with tibia vara and TAR syndrome.
Findings:
- Histologic analysis of post-traumatic ossicles showed normal bone and cartilage, lacking specific adaptations seen in animal models.
- The developmental ossicle appeared spontaneously in the youngest reported patient with tibia vara and thrombocytopenia-absent radius (TAR) syndrome.
- This suggests distinct pathways for meniscal ossicle formation.
Implications:
- These findings contribute to the understanding of meniscal ossicle pathogenesis.
- Highlights the importance of considering developmental syndromes in pediatric cases.
- May inform future diagnostic and therapeutic strategies for meniscal anomalies.
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