Top 10 facts about the world. Hand atrophy is a condition that causes muscles of the hand deteriorate and wither away. Also called muscle wasting, hand atrophy leads the muscles to begin to lose their bulk and strength. This in turn may cause a general decrease in the ability of the hand to move.
Why the test is used: Between 75% and 90% of people with lupus have a positive anti-dsDNA test. Also, the test is very specific for lupus. Therefore, a positive test can be useful in confirming a diagnosis. For many people, the titer, or level, of the antibodies rises as the disease becomes more active.
To Diagnose. To make sure that what is seen clinically is consistent with the lab test findings. Lupus is known as the âgreat imitatorâ, meaning that symptoms can often mimic those of other diseases. Healthcare providers want to be sure they are really looking at lupus and not another disease.