Medically reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatric Surgeon — Balance Foot & Ankle, Howell & Bloomfield Hills, MI. Last updated April 2026.
Medically Reviewed by Dr. Tom Biernacki, DPM — Board-Certified Podiatrist, Balance Foot & Ankle Specialists, Michigan. Last updated April 2026.
Osteomyelitis of the foot — bone infection — is predominantly encountered in the diabetic foot as a complication of neuropathic ulcers with underlying bone exposure, and represents the most common indication for partial foot amputation in the United States. Accurate diagnosis, determination of the causative organism, and appropriate surgical and antibiotic management are critical to preserving foot function and avoiding major limb amputation.
Diagnosis: Clinical, MRI, and Bone Biopsy
Clinical indicators of osteomyelitis in diabetic foot ulcers: the “probe-to-bone” test — if a blunt sterile metal probe inserted into a wound reaches bone with minimal resistance, osteomyelitis is present with 89% sensitivity and 85% specificity; wound size >2cm²; ulcer duration >2 weeks; visible or palpable bone in the wound base; ESR >70mm/hr. MRI: the most accurate imaging modality for osteomyelitis — bone marrow edema (decreased T1, increased T2/STIR signal) in continuity with a diabetic foot ulcer has sensitivity of 90% and specificity of 80% for osteomyelitis. However, post-traumatic, post-surgical, and Charcot-related marrow edema can produce false-positive MRI. Bone biopsy: the definitive diagnostic standard — deep bone biopsy obtained at surgical debridement (not through the wound with superficial swab — wound swabs are unreliable) identifies the causative organism and provides antibiotic sensitivity, guiding targeted therapy and avoiding unnecessary broad-spectrum antibiotic use.
Surgical and Antibiotic Management
Surgical debridement: excision of infected and necrotic bone until viable bleeding bone is achieved — the most important intervention for cure. Antibiotic therapy alone without surgical debridement has a failure rate of 25–40% for diabetic foot osteomyelitis. Antibiotic duration: 4–6 weeks of targeted IV or highly bioavailable oral antibiotics (fluoroquinolones, linezolid) following surgical debridement to bone; 3 months if surgery is declined or not possible. Wound reconstruction after bone debridement: skin grafting, local flap, or secondary intention closure depending on wound size. Dr. Biernacki at Balance Foot & Ankle evaluates and manages diabetic foot osteomyelitis with MRI coordination, surgical debridement, and infectious disease collaboration for optimal outcomes. Call (810) 206-1402 for urgent diabetic foot evaluation at our Bloomfield Hills or Howell office.
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Our board-certified podiatrists treat this condition at two convenient locations. Same-day appointments often available.
When to See a Podiatrist
Many foot conditions can be managed conservatively at home, but some require professional evaluation. See a podiatrist promptly if you experience:
- Pain that persists for more than 2 weeks despite rest
- Swelling, redness, or warmth that isn’t improving
- Numbness, tingling, or burning in the feet
- A wound or sore that is not healing within 2 weeks
- Any foot concern if you have diabetes or poor circulation
- Nail changes that suggest fungal infection or other problems
At Balance Foot & Ankle, our three board-certified podiatrists — Dr. Tom Biernacki, Dr. Carl Jay, and Dr. Daria Gutkin — provide comprehensive foot and ankle care at our Howell and Bloomfield Township offices. Most insurance plans are accepted.
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Board-certified podiatrists Dr. Tom Biernacki, Dr. Carl Jay, and Dr. Daria Gutkin see patients daily at our Howell and Bloomfield Township, MI offices.
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Foot Osteomyelitis Diagnosis & Treatment in Michigan
Bone infection in the foot — particularly in diabetic patients — requires accurate diagnosis with MRI and bone biopsy for targeted treatment. Our podiatrists coordinate comprehensive care including antibiotic therapy and surgical debridement to save limbs.
Learn About Infection Treatment | Book Your Appointment | Call (810) 206-1402
Clinical References
- Lipsky BA, Berendt AR, Cornia PB, et al. 2012 IDSA clinical practice guideline for the diagnosis and treatment of diabetic foot infections. Clin Infect Dis. 2012;54(12):e132-e173.
- Dinh MT, Ber-Nathan S, Veves A. Evaluation of the accuracy of using combinations of clinical signs and tests to diagnose osteomyelitis in the diabetic foot. Diabetes Care. 2008;31(10):1894-1896.
- Cierny G, Mader JT, Penninck JJ. A clinical staging system for adult osteomyelitis. Clin Orthop Relat Res. 2003;(414):7-24.
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Howell, MI 48843
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Dr. Tom Biernacki, DPM is a double board-certified podiatrist and foot & ankle surgeon 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 reached over one million views.
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