How can darknesses in my hands and bach caused by macular amyloidosis be cured? Whats other simptoms of this disease? Whats the cause?

Amyloidosis. This is caused by a deposit of an abnormal protein. This is a chronic condition. The treatments are to relieve symptoms but are not a cure. This site provides some information. http://www.dermnetnz.org/systemic/amyloidosis.html.