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.
Phospholipids found in lupus are also found in syphilis, and the blood test cannot always tell the difference between the two diseases. A positive result to a syphilis test does not mean that you have or have ever had syphilis.Approximately 20 percent of those with lupus will have a false-positive syphilis test result.hospholipids found in lupus are also found in syphilis, and the blood test cannot always tell the difference between the two diseases. A positive result to a syphilis test does not mean that you have or have ever had syphilis.