Diabetic Foot Osteomyelitis — Medical Practice MCQ

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ModerateInfectious DiseasesDiabetic Foot Osteomyelitis

A 60-year-old with diabetes presents with a plantar ulcer probing to bone and suspected osteomyelitis. Which diagnostic step is most appropriate to confirm?

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Reveal the answer and explanation

Correct answer: E — MRI of the foot

Explanation lettering: E = shown as A · D = shown as C · A = shown as D · C = shown as E

In DFI with suspected osteomyelitis, MRI is recommended to define extent and confirm when diagnosis is uncertain or radiographs are non-diagnostic. A/B: Less specific/sensitive. D: Not first-line. E: Probe-to-bone increases suspicion but imaging is useful for confirmation and extent.

Reference: IWGDF/IDSA Guideline (2023): Diabetic Foot Infections