Inflammatory arthritis w/ needle-shaped, negatively birefringent crystals?
a) Gout; Acute TX: NSAID (Indomethacin) + colchicine (steroids if kidneys suck). Chronic TX: Probenecid if undersecretor. Allopurinol if overproducer.
b) Pseudogout; Txt: Calcium pyrophosphate
c) Septic arthritis
d) Rheumatoid arthritis