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Connective tissue disease, also known as connective tissue disorder, or collagen vascular diseases, refers to any disorder that affects the connective tissue. [1] The body's structures are held together by connective tissues, consisting of two distinct proteins : elastin and collagen .
Dermatomyositis is a form of systemic connective tissue disorder, a class of diseases that often involves autoimmune dysfunction. [ 12 ] [ 16 ] It has also been classified as an idiopathic inflammatory myopathy , along with polymyositis, necrotizing autoimmune myositis, cancer-associated myositis , and sporadic inclusion body myositis .
Fibrodysplasia ossificans progressiva (/ ˌ f aɪ b r oʊ d ɪ ˈ s p l eɪ ʒ (i) ə ɒ ˈ s ɪ f ɪ k æ n z p r ə ˈ ɡ r ɛ s ɪ v ə /; [1] abbr. FOP), also called Münchmeyer disease or formerly myositis ossificans progressiva, is an extremely rare connective tissue disease in which fibrous connective tissue such as muscle, tendons, and ligaments turn into bone tissue (ossification).
Marfan syndrome (MFS) is a multi-systemic genetic disorder that affects the connective tissue. [6] [7] [1] Those with the condition tend to be tall and thin, with long arms, legs, fingers, and toes. [1] They also typically have exceptionally flexible joints and abnormally curved spines. [1]
Some experts consider MCTD to be the same as undifferentiated connective tissue disease, [7] but other experts specifically reject this idea [8] because undifferentiated connective tissue disease is not necessarily associated with serum antibodies directed against the U1-RNP. Furthermore, MCTD is associated with a more clearly defined set of ...
The type II and XI collagenopathies are a group of disorders that affect connective tissue, the tissue that supports the body's joints and organs. These disorders are caused by defects in type II or type XI collagen. Collagens are complex molecules that provide structure, strength, and elasticity to connective tissue.
Research from the Centers for Disease Control and Prevention (CDC) noted that 3.6 percent of adults aged 18 to 34 had arthritis, compared to about 54 percent of those 75 and older. Sex.
There are many people who have features of connective tissue disease, such as blood test results and external characteristics, but do not fulfill the diagnostic criteria established for any one disease. These people are considered to have undifferentiated connective tissue disease (UCTD). [6] [3]