A 48-year-old man complains of joint pain and stiffness for the past three months. All of the following are evidence of the diagnosis of rheumatoid ahritis (RA), EXCEPT:

Question

Accepted Answer

Early morning stiffness lasting one hour

Answer

Numbness and blanching of fingers on exposure to cold

Answer

Symmetrica linvolvement of the metacarpophalangeal joints

Answer

Synol fluid with high viscosity and 30,000 lymphocytes/mm3

A 48-year-old man complains of joint pain and stiffness for the past three months. All of the following are evidence of the diagnosis of rheumatoid ahritis (RA), EXCEPT:

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