Question

A 62-year-old woman has symmetrical joint pains in her hands that are worse in the morning and last over an hour. Rheumatoid factor is positive. Which additional investigation is particularly helpful to assess disease activity and erosive changes?

Accepted Answer

X-ray of hands and feet

Answer

Electromyography (EMG)

Answer

MRI of the lumbar spine

Answer

Bone densitometry (DEXA)

Answer

Nerve conduction studies

Practice question

A 62-year-old woman has symmetrical joint pains in her hands that are worse in the morning and last over an hour. Rheumatoid factor is positive. Which additional investigation is particularly helpful to assess disease activity and erosive changes?