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2 Responses to “What is thyroid disease in childen around one year to two years old?”

1. 1 Barry M
   August 19, 2009 at 12:36 pm

   I would assume this child has been tested for thyroid disease. In the US, mandatory thyroid testing of infants has taken place since 1976. If this child has not been tested, then get him to a doctor as soon as possible. He may have congenital hypothyroidism. Even if he had been tested, it may be a good idea to test again. Hypothyroidism in a child can be devastating.

   Congenital hypothyroidism is a disorder that affects infants at birth, and occurs in about 1 in 4000 live-born babies. It is characterised by the loss of thyroid function, due to the thyroid gland failing to develop normally. In some cases, the gland is totally absent. About 10 per cent of cases are caused by an enzyme defect leading to deficient hormone production, iodine deficiency and a brain pituitary gland abnormality. If the diagnosis is delayed, and immediate treatment is not given, congenital hypothyroidism can lead to growth and developmental defects, and severe mental retardation (cretinism).

   Fortunately, routine testing for thyroid function in newborns has been mandatory since 1976. Within the first week of life, a heelprick blood sample is taken to assess an infant’s thyroid hormone level. If any abnormality is found, a repeat blood sample is taken. If this confirms congenital hypothyroidism, the infant is immediately given thyroid hormone replacement therapy (T4 — thyroxine). Normal growth and development should then continue, with no adverse effects on the child’s mental capacity.

   Before newborn thyroid screening began, this condition was easily missed. Even within a few days, subtle symptoms would emerge, such as poor feeding, constipation, low body temperature, cool skin, slow pulse, prolonged jaundice, increased sleepiness, and decreased crying. After a few weeks, other physical signs would become more noticeable, such as poor growth and development, dry skin and hair, poor muscle tone, slow tendon reflexes, hoarse crying, enlarged tongue, umbilical hernia, and puffiness or swelling. By this time, there would already have been some devastating consequences. Treatment with thyroid hormone replacement would have resolved most of the physical symptoms, but the child would more than likely have had permanent brain damage.

2. 2 gangadharan_nair
   August 19, 2009 at 12:36 pm

   Hypothyroidism is thyroid hormone deficiency. Symptoms in infants include poor feeding and growth failure; symptoms in older children and adolescents are similar to those of adults but also include growth failure, delayed puberty, or both Diagnosis is by thyroid function testing (eg, serum thyroxine, thyroid-stimulating hormone). Treatment is thyroid hormone replacement.
   There is no prevention for hypothyroidism; however, screening tests in newborns can detect congenital hypothyroidism.
   Please see the web pages for more details on Congenital hypothyroidism.