J Korean Orthop Assoc.  1975 Mar;10(1):138-142. 10.4055/jkoa.1975.10.1.138.

The Recurrent Dislocation of the Patella: A Case Report

• Park SW
• Byun YS
• Lee HK

• KMID: 2471459
• DOI: http://doi.org/10.4055/jkoa.1975.10.1.138

Abstract

The Recurrent dislocation of the patella is almost always to the lateral side and may have some basic defect in anatomy of the knee region. The surgery is the treatment of choice for recurrent dislocation of the patella. But, no one type of operation can be useful for all recurrent dislocations of the patella, especially in children. The surgical treatment in growing children is unsatisfactory because of risks of damaging epiphyseal plate and chondromalacia of its articular surface. A case of the recurrent dislocation of the patella observed in 11 year old Korean boy is reported, in which the authors performed operation consisting of the semitendinosus tenodesis and distal transplantation of the tibial tubercle. At post-operative 14 weeks, good results was obtained with full range of motion, no pain and no crepitus of Lt. knee joint and without loss of function and recurrence.

MeSH Terms

Cartilage Diseases
Child
Dislocations*
Growth Plate
Humans
Knee
Knee Joint
Male
Patella*
Range of Motion, Articular
Recurrence
Tenodesis

Figure

• 

  Fig. 1. Α-P view of both knee joint Lt. knee joint shows hypoplasia and flattening of rt. femoral condyle and flattening of intercondylar notch of rt. femur.

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  Fig. 2. Lateral view of both knee joint Lt. knee joint shows inferᄋ-lateral displacement of the patella c external rotation.

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  Fig. 3. P-A view of both knee joint Lt. knee joint shows lateral displacement of the patella

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  Fig. 4. Infrapatella view of both knee joint Lt. knee joint shows lateral displacement of the patella flattening of the lateral femoral condyle and intercondylar notch of lt. femur

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  Fig. 5. A-P and lateral view of lt. knee joint taken shortly after operation The patella is in its normal position.

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  Fig. 6. A-P and lateral view of It. knee joint taken after operation 5 month later. The patella is still in its normal position and surgical defect of the anterior aspect of the proximal shapt of the tibia shows healing.

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