Which of the following conditions typically spares the metacarpophalangeal and proximal interphalangeal joints?

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Reiter's syndrome, also known as reactive arthritis, typically spares the metacarpophalangeal and proximal interphalangeal joints. Systemic lupus erythematosus and rheumatoid arthritis may involve the small joints of the hands, while polymyositis affects muscles and not joints.

Which of the Following Conditions Typically Spares the Metacarpophalangeal and Proximal