Osteochondritis dissecans of the knee

Introduction

Define/describe the condition

Anatomy

Describe the pertinent anatomy and provide links to relevant pages

Pathogeneis

Describe the biologic basis of the disorder or the mechanism of injury

Natural History

Describe the natural history,epidemiology and prognosis

Patient History and Physical Findings

Describe the means to elicit the most useful information from the patient history and physical examination as well as the relevant findings

Imaging and Diagnostic Studies

Describe appropriate radiologic and other diagnostic studies

International Cartilage Repair Society (ICRS) Classification System for OCD Lesions:

• ICRS OCD I - stable lesions with a continuous but softened are covered by intact cartilage
• ICRS OCD II -  lesions with partial discontinuity that are stable when probed
• ICRS OCD III - lesions with a complete discontinuity that are not yet dislocated ("dead in situ")
• ICRS OCD IV - empty defects and defects with a dislocated fragment or a loose fragment within the bed
• *Subgroups ICRS OCD I-IVB are lesions greater than 10mm in depth

Differential Diagnosis

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Treatment

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Medical therapy
Nonoperative treatment
Operative treatment - include links to pages with detailed surgical techniques
Indications and contraindications

Pearls and Pitfalls

Tips and problems to avoid

Postoperative Care

Include immediate postoperative care and rehabilitation

Outcome

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Complications

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Selected References

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