Question

A 58-year-old with long-standing diabetes and plantar ulcer has a positive probe-to-bone test and elevated ESR. Plain radiograph is nondiagnostic. What is the most appropriate next diagnostic test?

Accepted Answer

MRI of the foot

Answer

Repeat plain radiographs in 2 weeks

Answer

Bone scan only

Answer

No imaging; treat cellulitis empirically

Answer

CT with contrast as first-line

Practice question

A 58-year-old with long-standing diabetes and plantar ulcer has a positive probe-to-bone test and elevated ESR. Plain radiograph is nondiagnostic. What is the most appropriate next diagnostic test?