Ortho Dx: Slow-growing, painful mass on the finger

A patient, aged 68 years, presented with a slow-growing, painful mass on her left middle finger. The mass had been present for one year. The patient reported significant pain to the touch but no pain at rest. The patient’s past medical history included Raynaud’s disease and vasculitis.

On exam, a solid, immobile mass was found at the distal ...