A 34-year-old man presents with a painful swollen right knee. Arthrocentesis is performed, and synovial fluid analysis reveals needle-shaped, negative...

Question

A 34-year-old man presents with a painful swollen right knee. Arthrocentesis is performed, and synovial fluid analysis reveals needle-shaped, negatively birefringent crystals under polarised light microscopy. What is the diagnosis?

Accepted Answer

Gout

Answer

Pseudogout (Calcium Pyrophosphate Dihydrate Deposition)

Answer

Septic arthritis

Answer

Reactive arthritis

Answer

Haemarthrosis

mrcgp akt MCQ (SBA): Gout Diagnosis

A 34-year-old man presents with a painful swollen right knee. Arthrocentesis is performed, and synovial fluid analysis reveals needle-shaped, negatively birefringent crystals under polarised light microscopy. What is the diagnosis?