Medically reviewed by Dr. Tom Biernacki, DPM
Board-certified podiatric surgeon | Balance Foot & Ankle, Howell & Bloomfield Township, MI
Last reviewed: May 2026
Balance Foot & Ankle offers same-day appointments for urgent foot and ankle conditions across Southeast Michigan — but the most important factor in outcomes isn’t getting seen quickly. Our podiatrists explain what to do in the first 24-48 hours before your appointment that most patients skip entirely. Call (810) 206-1402 — expert podiatric care across Michigan.
Foot pain isn't resolving?
Same-week appointments at Howell & Bloomfield Township
Medically Reviewed | Dr. Tom Biernacki, DPM | Board-Certified Podiatric Surgeon | Balance Foot & Ankle, Michigan
What Is an Osteochondral Lesion of the Talus?
The talus is the ankle bone that articulates with the tibia above and the calcaneus below, forming the critical pivot point of the ankle joint. Its domed articular surface is covered by a thin layer of smooth hyaline cartilage that allows frictionless ankle motion. An osteochondral lesion of the talus (OLT) occurs when this cartilage — along with the thin layer of bone beneath it — is damaged, creating a crater or flap that disrupts joint mechanics and triggers inflammation.
OLTs are found in approximately 6% of all ankle sprains and are a frequent explanation for ankle pain that persists 3–6 months after a sprain that should have healed. Posteromedial lesions (inner back of talus) are more common than anterolateral lesions (outer front of talus) and are thought to arise from compression forces during inversion injury. Bilateral lesions and non-trauma-related OLTs suggest metabolic or constitutional factors including osteochondritis dissecans.
Why OLTs Are Often Missed
Standard X-rays miss the majority of osteochondral lesions, particularly small and early-stage defects. Patients with persistent ankle pain after sprains are frequently discharged from emergency care with normal X-rays and an expectation of resolution that never occurs. MRI is the definitive imaging modality for OLT diagnosis — identifying bone marrow edema, cartilage fragmentation, and fluid undercutting the lesion. CT arthrography provides superior evaluation of lesion geometry for pre-surgical planning. Dr. Biernacki maintains a high index of suspicion for OLT in any patient with ankle pain lasting beyond 6 weeks after sprain.
Classification and Stability
OLTs are classified by the Berndt-Harty or modified Ferkel systems based on stability and displacement. Stage I lesions show subchondral compression without fracture — the cartilage surface is intact. Stage II lesions have a partially detached fragment. Stage III lesions are completely detached but non-displaced. Stage IV lesions are displaced osteochondral fragments. Stability determines whether conservative management has a realistic chance of success — unstable or displaced lesions rarely heal without surgical intervention.
Conservative Treatment for Stable Lesions
Stage I–II lesions in skeletally mature patients may be managed conservatively with 6–12 weeks of protected weight-bearing in a walking boot, activity restriction from high-impact loading, and nutritional support including vitamin D and collagen supplementation. Platelet-rich plasma (PRP) injected into the lesion site under ultrasound guidance provides growth factor stimulation that may accelerate cartilage repair in early-stage lesions. Patients are re-imaged with MRI at 3 months to assess healing response before returning to sport.
Surgical Treatment Options
Surgical intervention is indicated for Stage III–IV lesions, failed conservative management, and all displaced fragments. Bone marrow stimulation — arthroscopic microfracture — penetrates the subchondral bone to release mesenchymal stem cells that form fibrocartilage repair tissue. Microfracture has excellent results for lesions under 1.5 cm² but produces fibrocartilage (inferior to native hyaline cartilage) and has declining results for larger defects. For larger lesions, osteochondral autograft transfer (OATs — harvesting a cartilage-bone plug from a low-load area of the knee and transplanting it to the talus) provides native hyaline cartilage restoration. Autologous chondrocyte implantation (ACI) and juvenile cartilage allograft transplantation are options for revision cases and very large defects. Dr. Biernacki performs arthroscopic evaluation and bone marrow stimulation, coordinating with orthopedic surgery for complex OATs and ACI procedures.
Dr. Tom's Product Recommendations
Vital Proteins Collagen Peptides Powder
⭐ Highly Rated
Type I and III collagen peptides providing proline and glycine building blocks for cartilage matrix synthesis — emerging clinical evidence supports collagen supplementation for joint cartilage repair.
Dr. Tom says: “Started taking collagen daily during my OLT recovery — my surgeon recommended it alongside PRP.”
Cartilage injury recovery support, OLT conservative management adjunct
Not a standalone treatment for established cartilage defects requiring surgery
Disclosure: We earn a commission at no extra cost to you.
Mueller Adjustable Ankle Support Brace
⭐ Highly Rated
Adjustable figure-8 lace-up ankle brace providing medial-lateral stability during OLT rehabilitation — controls inversion stress that loads the lateral talus lesion site during recovery.
Dr. Tom says: “Used this during my return to walking after my ankle cartilage surgery — provided the control I needed.”
OLT rehabilitation, lateral stability during conservative management, return to sport
Acute post-surgical phase requiring rigid boot immobilization
Disclosure: We earn a commission at no extra cost to you.
✅ Pros / Benefits
- Early MRI diagnosis prevents months of ineffective treatment for missed OLTs
- PRP injection provides growth factor support for early-stage lesion healing
- Arthroscopic bone marrow stimulation has excellent outcomes for lesions under 1.5 cm²
- OATs procedure provides native hyaline cartilage restoration for larger defects
❌ Cons / Risks
- Cartilage has limited intrinsic healing capacity — large lesions rarely heal without surgery
- Microfracture produces fibrocartilage inferior in quality to native hyaline cartilage
- OATs requires a second surgical site for graft harvest with associated morbidity
- Return to sport after cartilage surgery requires 6–12 months of rehabilitation
Dr. Tom Biernacki’s Recommendation
Osteochondral lesions are the hidden problem behind a lot of the persistent ankle pain I see. The patient had an ankle sprain six months ago, it ‘should be better by now,’ but it’s not. When MRI shows an OLT, suddenly everything makes sense. Getting the diagnosis right is the first step — then we match the treatment to the lesion size and stability. PRP for early lesions, microfracture or OATs for the ones that need surgery.
— Dr. Tom Biernacki, DPM | Board-Certified Podiatric Surgeon | Balance Foot & Ankle
Frequently Asked Questions
How do I know if I have an osteochondral lesion of the talus?
The most common presentation is persistent ankle pain, swelling, or stiffness that fails to resolve within the expected 6–12 weeks after an ankle sprain. Catching, locking, or clicking in the ankle joint suggests a loose fragment. Standard X-rays are often normal — MRI is required for definitive diagnosis. If your ankle pain is not resolving on schedule, request evaluation for OLT from Dr. Biernacki.
Can an OLT heal without surgery?
Small, stable Stage I–II lesions — particularly in younger patients — can heal with protected weight-bearing and activity restriction. However, most osteochondral lesions of the talus in adults require surgical intervention to restore joint mechanics and prevent progressive arthritis. The decision between conservative and surgical management depends on lesion grade, size, and the patient’s functional demands and age.
How long is recovery from OLT surgery?
Bone marrow stimulation (microfracture): 6–8 weeks non-weight-bearing, then progressive weight-bearing and rehabilitation over 4–6 months to return to sport. OATs: 8–12 weeks non-weight-bearing, return to sport at 9–12 months. The cartilage repair tissue requires extended time to mature and withstand athletic loading — returning too early risks failure of the repair.
Will an ankle OLT lead to arthritis?
Untreated osteochondral lesions — particularly large or unstable defects — progressively damage the opposing tibial cartilage surface and can accelerate ankle arthritis over years to decades. Early diagnosis and appropriate treatment significantly reduces the risk of progressive arthritic degeneration. This is another reason why persistent ankle pain after sprain deserves thorough evaluation rather than watchful waiting.
Michigan Foot Pain? See Dr. Biernacki In Person
4.9★ rated | 1,123 Reviews | 3,000+ Surgeries
Same-week appointments · Howell & Bloomfield Township
📞 (810) 206-1402 Book Online →What does treatment cost?
Most diagnostic visits and conservative treatments are covered by Medicare and major insurers. Out-of-pocket costs vary by your specific plan.
How quickly can I get an appointment?
Most non-urgent cases see us within 5 business days. Urgent cases (sudden pain, possible fracture) typically same or next business day.
In-Office Treatment at Balance Foot & Ankle
If home treatment isn’t providing relief for your foot issues, our podiatry team at Balance Foot & Ankle can help with same-day evaluations and advanced in-office care.
Related Conditions
American Podiatric Medical Association: Find a Podiatrist
Ready to Get Relief?
Same-day appointments available in Howell & Bloomfield Township, MI
4.9★ | 1,123 Reviews | 3,000+ Surgeries
Or call: (810) 206-1402
Dr. Tom Biernacki, DPM is a board-certified foot & ankle surgeon (ABFAS & ABPM) at Balance Foot & Ankle Specialists in Southeast Michigan. With over a decade of clinical experience, he specializes in heel pain, bunions, diabetic foot care, sports injuries, and minimally invasive surgery. Dr. Biernacki is a member of the APMA and ACFAS, and his patient education content on MichiganFootDoctors.com and YouTube has made him one of the most-followed foot & ankle educators on YouTube.