Osteochondritis dissecans (OCD) is a lesion of subchondral bone that may cause separation from and instability of overlying articular cartilage.
The loose piece of bone and cartilage ...
Insidious (most common) or posttraumatic onset of pain, which improves with rest
Pain usually is described as a deep and vague ache.
Pain may be associated with clicking, swelling, lock...
Goals of treatment
Maintain a smooth, congruous joint surface.
Alleviate pain.
Prevent degenerative joint disease.
Promote revascularization of necrotic fragment and regenerati...
Outpatient care is the usual course.
Inpatient treatment for surgical intervention
6-week intervals are appropriate to assess for fragment displac...
Bauer KL, Polousky JD. Management of osteochondritis dissecans lesions of the knee, elbow and ankle. Clin Sports Med. 2017;36(3):469–487. [View Abstract on OvidMedline]
Chamber...
M93.20 Osteochondritis dissecans of unspecified site
M93.269 Osteochondritis dissecans, unspecified knee
M93.229 Osteochondritis dissecans, unspecified elbow
M93.279 Osteochondritis dissecans,...
OCD is an acquired lesion of the subchondral bone, causing separation of the overlying articular cartilage; it may become unstable and require surgical intervention; the knee is the mo...
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<bold>FIG. 6.44.</bold> Magnetic resonance imaging appearance of avascular necrosis. A: Transverse T<sub>1</sub>-weighted image of a patient (supine) with hip pain on long-term steroid therapy for lupus erythematosus shows nonspecific marrow edema (<italic>arrow</bold>) in the left femoral head (<italic>f</bold>). The location and clinical context of this finding are suggestive of avascular necrosis, but the imaging appearance is otherwise nonspecific. <italic>a</bold>, acetabulum; <italic>b</bold>, bladder. Sagittal T<sub>1</s...
<bold>FIG. 6.44.</bold> Magnetic resonance imaging appearance of avascular necrosis. A: Transverse T<sub>1</sub>-w...
<bold>FIG. 95.7.</bold> Radiograph of the left hip joint of a 22-year-old man with Gauchers disease illustrating avascular necrosis of the head of the femur. This radiograph was obtained 2 years after the onset of pain in the hip.
<bold>FIG. 95.7.</bold> Radiograph of the left hip joint of a 22-year-old man with Gauchers disease illustrating avascular ne...
FIG. 12.6. Osteochondritis dissecans. A: The anteroposterior view in normal. B: The tunnel view clearly shows a defect of the subchondral bone.
FIG. 12.6. Osteochondritis dissecans. A: The anteroposterior view in normal. B: The tunnel view clearly shows a defect of the subchondral ...
<bold>Fig B 14-3. Osteochondritis dissecans</bold> (arrow) at the ankle.
<bold>Fig B 24-7. Osteochondritis dissecans.</bold> (A) Knee. (B) Ankle.
<bold>FIG. 6.44.</bold> Magnetic resonance imaging appearance of avascular necrosis. A: Transverse T<sub>1</sub>-we...