David E. Oji M.D

Dr. Oji will be changing his practice to Stanford Healthcare in Redwood City, Palo Alto, and Los Gatos. He will be resuming his practice the week of June 5th. If you need immediate care, please contact Tri-Valley Orthopedics to be seen by his formers partners. If you have a complex foot and ankle problem that requires specialized care in the East Bay, please locate the nearest M.D. Orthopaedic foot and ankle surgeon.

New Practices

Los Gatos Stanford Orthopaedic Surgery Clinic

555 Knowles Dr #211, Los Gatos, CA 95032
Tel: 408-866-6651

Stanford Medicine Outpatient Center

Foot and Ankle Services
450 Broadway, Redwood City, CA 94063
Tel: Return patient: 650-723-5643
New Patient: 650-498-7555

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Ankle Cartilage Injuries

Ankle Cartilage Injuries

Osteochondral Injuries of the Ankle

The ankle joint is an articulation of the end of the tibia and fibula (shin bones) with the talus (heel bone). Osteochondral injuries, also called osteochondritis dissecans, are injuries to the talus bone, characterized by damage to the bone as well as the cartilage covering it. Sometimes the lower end of the tibia or shin bone may also be affected.

Causes

Osteochondral injuries are most often caused by trauma to the ankle joint, such as with ankle sprains. Some cases may not have any previous history of ankle injury, and may be caused by local osteonecrosis or a metabolic defect.

Symptoms

The predominant symptom of osteochondral injury is pain, which may be localized to the ankle joint. Other symptoms may include tenderness and swelling of the ankle joint with difficulty in weight bearing, locking of the ankle or instability.

Diagnosis

Osteochondral injuries are diagnosed by physical examination, X-ray and CT and MRI scans. Plain X-ray images can reveal other fractures, bone spurs and narrowing of the joint. A CT scan helps identify any bony fragments and cysts, but is not very helpful to visualize bone edema or cartilage defects. MRI is the best imaging modality, which helps to visualize the cartilage and bone lesions as well as bone edema.

Treatment

Non-surgical or surgical treatment may be recommended for the management of osteochondral injuries of the ankle joint. Non-surgical treatment with immobilization, restricted weight-bearing and physical therapy may be ordered to help the bone and cartilage to heal, and improve muscle strength, mobility and coordination. Surgical treatment is recommended for more severe injuries and comprises of debridement (removing) of the damaged cartilage and removal of any loose bodies. Some of the most commonly used surgical techniques include microfracture or drilling of the lesion, grafting of cartilage and bone, or fixation of the fragments with the help of screws.


 

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