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A member asked:
Negative for ra- dr suspects pa due to occasional rash on elbows..rash hasn't appeared for several mths..is there any other was to diagnose psoriasis?
A doctor has provided 1 answer
Skin biobsy ,Flake: There are no lab tests or blood tests available to confirm or deny the presence of psoriasis. Instead, a doctor must examine the skin and nails closely, sometimes analyzing dry skin under a microscope.Your doctor may take a small sample of skin (biopsy) that's examined under a microscope to determine the exact type of psoriasis and to rule out other disorders.
Answered 3/26/2013
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