Collagen is a protein that is part of cartilage, bone, and other tissues in animals and humans. People use collagen from chickens for medicine. Chicken collagen is used to treat joint pain associated with many types of arthritis and surgery, as well as back pain, neck pain, and pain following injury.
Hemophilia is diagnosed with blood tests to determine if clotting factors are missing or at low levels, and which ones are causing the problem. If you have a family history of hemophilia, it is important that your doctors know the clotting factor your relatives are missing. You will probably be missing the same one.
Tests for antineutrophil cytoplasmic antibodies (ANCA) may be used to: 1  Help detect and diagnose certain forms of autoimmune vasculitis, including granulomatosis with polyangiitis (Wegener granulomatosis), microscopic polyangiitis, and eosinophilic granulomatosis with polyangiitis (Churg Strauss syndrome).egative ANCA tests results mean it is unlikely that a person's symptoms are due to an autoimmune vasculitis. For a positive result on the indirect immunofluorescence microscopy method, several different ANCA patterns may be seen: 1  Perinuclear (pANCA) â most of the fluorescence occurs near the nucleus.