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Management of double-layered patellae by compression screw fixation
J Gardner1, D Woods, D Williamson
1Department of Orthopaedics, Princess Margaret Hospital, Swindon, United Kingdom.
Journal of Pediatric Orthopedics. Part B
|March 10, 2000
Summary
A rare condition called tripartite patella, where the kneecap has two layers, can be linked to multiple epiphyseal dysplasia. Surgical fusion of the patella components provided an excellent outcome for a symptomatic pediatric case.
Area of Science:
- Orthopedics
- Genetics
- Pediatric Medicine
Background:
- Tripartite patella is a rare condition characterized by a double-layered patella, with the anterior layer being bipartite.
- Recent literature suggests a potential association between tripartite patella and multiple epiphyseal dysplasia.
- Understanding this association is crucial for accurate diagnosis and management in pediatric cases.
Observation:
- A 13-year-old child presented with symptomatic tripartite patella.
- The patient exhibited abnormal patellar excursion with audible clicks and visible jumps during movement.
- No lateral instability of the patella was noted.
Findings:
- The child was diagnosed with symptomatic tripartite patella and concurrent features of multiple epiphyseal dysplasia.
- A novel surgical approach involving the fusion of the bipartite patella components was performed.
- The surgical intervention resulted in an excellent clinical outcome.
Implications:
- This case highlights the importance of considering multiple epiphyseal dysplasia in pediatric patients with tripartite patella.
- The described surgical technique offers a potentially effective treatment for symptomatic bipartite patella.
- Further research may elucidate the genetic and biomechanical links between these conditions.