Q. A 55 year old Caucasian male visits his general practitioner complaining of pain in his left knee.On examination there was local tenderness and swelling of the knee joint.Fluid was detected in the joint. Movements at the joint were limited by the pain. The physician proceeded to aspirate the joint. The fluid was sent to the laboratory where microscopic examination revealed crystals within leukocytes These crystals gave a weakly positive birefringent diffraction pattern. The most likely diagnosis is
a) multiple sclerosis
b) psoriasis
c) syringomyelia
d) pseudogout
e) leprosy
Answer
Category:
Orthopedics MCQs
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