Question

A 28-year-old returns from a hiking trip with a swollen right knee. Joint aspirate shows calcium pyrophosphate crystals. Which condition is most likely?

Accepted Answer

Pseudogout

Answer

Gout

Answer

Rheumatoid arthritis

Answer

Septic arthritis

Answer

Reactive arthritis

Practice question

A 28-year-old returns from a hiking trip with a swollen right knee. Joint aspirate shows calcium pyrophosphate crystals. Which condition is most likely?