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Thermograph. Thermography

Thermography is a non invasive test. This means that it sends nothing into your body. In fact, there is no contact with the body of any kind, no radiation and the procedure is painless.

Utilizing very sophisticated infra-red cameras and desk top computers, thermal imaging technicians simply capture a photograph of the breasts. An infra-red photograph, or heat picture. The data is stored in a computer and then can either be printed on high resolution color printers, or sent electronically to a physician with a similar computer for analysis.

The physician, such as a radiologist or thermal imaging specialist, then compares the heat patterns in the left breast to the right breast. Any difference in heat, or any specific blood vessel patterns in one breast that do not appear in another indicate a physiologic abnormality. This may be pathological (a disease) or it might indicate an anatomical variant. When a thermogram is positive, the job of differential diagnosis begins.

This is all that thermal imaging, or thermography provides. A physiologic marker that some abnormality is present in the breast.

Nothing more and nothing less. This is however, an extremely valuable and important finding, but it has historically been the interpretation of these findings that has been the problem, and is now the subject of the "responsible second look"

Colloid nodular goiter is thyroid gland enlargement that is usually caused by too little iodine in the diet.

There are two fairly common causes of hypothyroidism. The first is a result of previous (or currently ongoing) inflammation of the thyroid gland which leaves a large percentage of the nodes of the thyroid damaged (or dead) and incapable of producing sufficient hormone.

Causes, incidence, and risk factors

When the thyroid gland is unable to make enough thyroid hormone, it may attempt to compensate by enlarging. Enlargement of an otherwise normal thyroid gland is called colloid nodular goiter.

A colloid nodular goiter occurs when the thyroid gland is unable to meet the metabolic demands of the body with sufficient hormone production. The thyroid gland compensates by enlarging, which usually overcomes mild deficiencies of thyroid hormone.

If the thyroid gland is then re-exposed to iodine, the nodules may produce thyroid hormone independently. Occasionally, the nodules may produce too much thyroid hormone, causing thyrotoxicosis. This is called a toxic nodular goiter.


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