A patient with acute monoarticular knee swelling, needle aspiration reveals needle-shaped, negatively birefringent crystals. Which is the most likely ...

Question

A patient with acute monoarticular knee swelling, needle aspiration reveals needle-shaped, negatively birefringent crystals. Which is the most likely diagnosis?

Accepted Answer

Gout

Answer

Pseudogout

Answer

Septic arthritis

Answer

Rheumatoid arthritis flare

Answer

Reactive arthritis

MCQ (SBA): Musculoskeletal Medicine & Rheumatology

A patient with acute monoarticular knee swelling, needle aspiration reveals needle-shaped, negatively birefringent crystals. Which is the most likely diagnosis?