Unlike the anatomical picture of the body achieved through X rays and ultrasounds, molecular imaging reveals cellular and molecular changes. In the past, surgery was necessary to obtain this information. Now a scalpel is no longer required. This kind of scan is used commonly in disease detection and is beneficial because early diagnosis is then possible. The benefits of molecular imaging for the scientists involved in disease control and drug research is huge.
The way the process works is that it picks up changing cell activity. The cells only change when a disease is present. Cancer, for example, is a cell that multiplies much faster than ordinary cells.
Brain cells affected by dementia are less dependent on energy than other cells. Any illness changes the body tissue anatomically. CT scans and MRIs can only reveal illness when this change occurs. However, many times this simply isn’t early enough.
These tests, though, can pick up changes long before anatomical alteration occurs. An imaging agent such as a radiotracer is introduced to the body. The device shows how that agent is distributed in the body, telling doctors if tissues are working properly.
The field receiving the most benefits is oncology. Since 1991 fatalities due to cancer have decreased by one per cent annually. This is primarily because of this technology.
Oncologists are also able to tell how bad the tumor is and whether it has spread to other areas. The most appropriate treatment is identified. Because each cancer responds differently to therapy, this is crucial.
When this stage is reached, oncologists view the cells again to check that therapy is working. This allows them to make a change immediately when necessary. The technology is used from diagnosis all the way up to after care management.
There are a few tests that reveal molecular change. PET scans are used in cancer treatment. PET CAT scans are hybrids that can provide a 3 dimensional picture of the body. Certain cancers aren’t detectable with this method but research is being done to extend its ability.
Prostate cancer creates needless death since, when detected early, it’s highly curable. With the help of this technology, doctors can evaluate the properties of the tumor accurately. This way the most effective treatment can be sought.
Scientists are making startling new developments in the field of molecular images. In the future it will be possible to determine the aggression of the cancer and even find out precisely how it will respond to treatment. They’re also working on developing a way of viewing genetic markers, which will be used to identify genetic transmission of disease.
In the drug industry, these scans are important too. Future developments will speed up and cheapen pharmaceutical trials. It also helps create strategies for pharmaceutical development.
The ability to see and assess cells in the body will prevent dug companies from spending exorbitant amounts of money. More valuable than this, however, are the hours and quality of life gained by cancer patients. Universally, scientists are extremely thrilled about what the technology is going to offer in the future.
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