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HardInfectious DiseasesDiabetic foot osteomyelitisau-amcau-racp

A 63-year-old man with long-standing type 2 diabetes and peripheral neuropathy presents with a plantar ulcer under the first metatarsal head. The ulcer probes to bone, and there is surrounding cellulitis. Temperature is 37.8 °C. What is the most important investigation to assess for underlying osteomyelitis?

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