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Familial patellar dislocation associated with t(15;20) (q24;q13.1).

Cm Jimmy Chan1, Ym Jackie Chau2, S B Woo2

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Journal of Orthopaedic Surgery (Hong Kong)
|June 1, 2018
PubMed
Summary
This summary is machine-generated.

Autosomal dominant familial recurrent patellar dislocation, a rare condition, was identified in a five-member family across three generations. Genetic screening revealed a balanced translocation of chromosomes 15 and 20 in affected individuals.

Keywords:
autosomal dominantgeneticpatellarecurrent dislocation

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Area of Science:

  • Orthopedics and Genetics
  • Study of inherited musculoskeletal conditions

Background:

  • Patellar instability is a frequent cause of knee injury in young, active individuals, representing about 3% of all knee injuries.
  • Recurrent patellar dislocation can be debilitating, significantly impacting quality of life and athletic participation.

Observation:

  • A unique family spanning three generations presented with autosomal dominant familial recurrent patellar dislocation.
  • All affected family members experienced recurrent patellar dislocations before the age of 15 and exhibited short stature.

Findings:

  • Genetic screening of affected individuals across all three generations was performed.
  • Genotypical evaluation identified a balanced translocation of chromosomes 15 and 20 in all affected family members.

Implications:

  • This finding suggests a potential genetic link between chromosome 15/20 translocation and autosomal dominant patellar instability with short stature.
  • Further research into the specific genes involved in this translocation could elucidate pathogenic mechanisms.
  • This discovery may aid in genetic counseling and the development of targeted therapies for familial patellar instability.