Ortho Dx: Bone lesion of the proximal phalanx of the toe

A 45-year-old woman presents with a bone lesion found on x-ray by her primary care physician. The x-ray shows a bone lesion of the proximal phalanx of the fourth toe. Coronal magnetic resonance imaging was taken as well. The patient’s fourth toe has been painful during running for the last month and seems to be getting worse. You ...