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Scleroderma is a group of autoimmune diseases that may result in changes to the skin, blood vessels, muscles, and internal organs. [ 2 ] [ 6 ] [ 8 ] The disease can be either localized to the skin or involve other organs, as well. [ 2 ]
Damage to endothelium is an early abnormality in the development of scleroderma, and this, too, seems to be due to collagen accumulation by fibroblasts, although direct alterations by cytokines, platelet adhesion, and a type II hypersensitivity reaction similarly have
The following is a list of genetic disorders and if known, type of mutation and for the chromosome involved. Although the parlance "disease-causing gene" is common, it is the occurrence of an abnormality in the parents that causes the impairment to develop within the child. There are over 6,000 known genetic disorders in humans.
A chromosomal abnormality, chromosomal anomaly, chromosomal aberration, chromosomal mutation, or chromosomal disorder is a missing, extra, or irregular portion of chromosomal DNA. [ 1 ] [ 2 ] These can occur in the form of numerical abnormalities, where there is an atypical number of chromosomes, or as structural abnormalities, where one or ...
Scleroderma, a hardening and tightening of the skin on trunk and extremities of the body, is prevalent. People diagnosed with this disorder usually have small, fragile bodies, like those of older adults. The head is usually large relative to the body, with a narrow, wrinkled face and a beak nose.
Scleroderma is a connective tissue disease that causes fibrosis and vascular abnormalities, but that also has an autoimmune component, and can include connective tissues complications. Diagnostic testing includes screening for the positive antinuclear antibody. [citation needed]
Tuberous sclerosis complex (TSC) is a rare multisystem autosomal dominant genetic disease that causes non-cancerous tumours to grow in the brain and on other vital organs such as the kidneys, heart, liver, eyes, lungs and skin.
Three chromosomal abnormalities with ISCN nomenclature, with increasing complexity: (A) A tumour karyotype in a male with loss of the Y chromosome, (B) Prader–Willi Syndrome i.e. deletion in the 15q11-q12 region and (C) an arbitrary karyotype that involves a variety of autosomal and allosomal abnormalities. [3]