Your doctor can often recognize
psoriasis by the appearance and location of the
patches on your skin, scalp, or nails. Psoriasis usually involves bright red
areas of raised patches that are often covered with loose, silvery, scaling
skin and are commonly located on the knees, elbows, scalp, hands, feet, or
Special tests are usually not needed. If it is hard to
diagnose the condition by looking at your skin, your doctor may remove a small
skin sample (biopsy) and send it to a lab for analysis. If you have
X-rays may be taken to diagnose
psoriatic arthritis. Blood work may help rule out
other forms of arthritis.
Guttate psoriasis is a less common type
of psoriasis. The small [less than
scaly, circular elevations (papules) that occur with guttate psoriasis appear
more on the trunk of the body than on the arms or legs. If you have these
papules, your doctor may perform a
throat culture to check for strep throat.
Sometimes a skin
KOH test is done to rule out a fungal
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Read the Original Article: Psoriasis-Exams and Tests WebMD Medical Reference from Healthwise This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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