Juvenile Knee Osteochondritis Dissecans.

Area of Science:

• Orthopedics
• Sports Medicine
• Radiology

Background:

• Osteochondritis dissecans (OCD) is a joint condition affecting subchondral bone and articular cartilage, potentially leading to osteoarthritis.
• Etiologies are debated, including ischemia, trauma, ossification centers, and genetics.
• The knee, particularly the medial femoral condyle, is a common site, with pain and bilateral lesions occurring frequently.

Purpose of the Study:

• To review the clinical presentation, diagnosis, and management of osteochondritis dissecans (OCD).
• To differentiate between stable and unstable OCD lesions and guide treatment strategies.
• To assess outcomes, including return-to-sport rates, for various management approaches.

Main Methods:

• Review of clinical and radiographic markers for OCD lesion stability.
• Utilizing advanced imaging, primarily MRI, to assess articular breach and instability.
• Analysis of treatment outcomes based on lesion stability, patient age, and lesion characteristics.

Main Results:

• Clinical presentation and imaging findings, especially MRI, are crucial for determining lesion stability.
• Stable OCD lesions in younger patients or non-weight-bearing areas often respond to nonoperative management.
• Surgical options range from drilling for stable lesions to fixation or cartilage restoration for unstable ones.

Conclusions:

• Treatment decisions for OCD hinge on lesion stability, patient age, and lesion characteristics.
• Nonoperative care is effective for stable lesions, while unstable or refractory cases necessitate surgical intervention.
• High return-to-sport rates are achievable in skeletally immature patients with knee OCD.