Amyloidosis is a group of diseases in which abnormal proteins, known as amyloid fibrils, build up in tissue. Symptoms depend on the type and are often variable. They may include diarrhea, weight loss, feeling tired, enlargement of the tongue, bleeding, numbness, feeling faint with standing, swelling of the legs, or enlargement of the spleen.There are about 30 different types of amyloidosis, each due to a specific protein misfolding. Some are genetic while others are acquired. They are grouped into ...
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