Cockayne syndrome is a rare hereditary
disease that usually leads to death by kids around 6 years old.
The Cockayne syndrome is caused by
mutations in the gene that prevent patients from being exposed to sunlight,
because the contact with ultraviolet rays develop sores on the skin, cataracts,
stunting and premature aging, resulting in a premature death.
Symptoms
The symptoms of this syndrome are
characterized by numerous metabolic problems in various organs, including
hypersensitivity to sunlight, delayed motor development, mental retardation,
impaired hearing and a characteristic facial appearance with small face, sunken
eyes, sharp nose and jaws designed forward.
Diagnosis
Diagnosis is made through DNA testing
that enables to identify the mutations present in the genes, and despite the
short life of the child and there is no effective treatment for Cockayne
syndrome, the diagnosis is extremely important as it provides the family the
benefit genetic counseling and prenatal diagnosis in subsequent cases.
Types
There are 2 types of this syndrome in
type I individuals appear to have normal development in the first year of life,
and type II disease symptoms are present from birth, both types have a short
life expectancy.
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