Sunday August 19, 2018

All Breast Lumps are Not Cancerous, Says Radiologist Expert

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breast lump simulation
breast lump simulation. Wikimedia
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New Delhi, Oct 7, 2017: Breast Cancer is one of the supreme causes of female deaths, however, it’s awareness is low in India. A leading Radiologist, Dr. Jyoti Arora, Associate Director, Medanta – the Medicity states that 8 out of 10 cases of breast lumps are not cancerous and undergoing biopsy is the only way to rule out breast cancer.

In India, two responses with respect to breast lumps are generally normal. Either the feeling of a lump formation in the breast is disregarded or the patient gets hysterical. The two responses are extreme and caused by the absence of proper awareness but in altogether different ways.

A recent study summarized that its predominance is as high as 25.8 per 1,00,000 women and its death rate are 12.7 per 1,00,000 women, mentioned ANI.

Dr. Arora has disclosed that because of the absence of awareness, a huge number of Indian women do not choose  appropriate tests and treatment.

Arora said, “One of the first symptoms of breast cancer is the formation of lumps in the breast. While many women from not so educated and aware sections of society do not identify lump in the breast as a reason enough to see the doctor, those who are aware of the connection between breast lumps and cancer does not realize that in 8 out of 10 cases, lumps in breasts are non-cancerous. For them, a breast lump is the synonym of breast cancer and they feel it’s the end of their life so do not get it evaluated.”

As the lumps are associated with pain, some females do not seek medical advice. The non-cancerous lumps are cyst formation, fibro-adenoma which is an abnormal non-cancerous growth, or maybe a temporary sign due to woman’s menstrual cycle.

Cancerous lumps are usually hard to feel and not associated with pain.

So if a female feels a lump, she should visit a breast specialist who will get a mammography and ultrasound done. If a solid lump is confirmed on imaging then in most of the cases biopsy would be needed to confirm whether the lump is cancerous or not.

To check cancerous cells, a radiologist removes tissue while conducting a breast biopsy from the suspected area for lab testing.

Also Read: Esteé Lauder’s Breast Cancer Awareness ‘Pink Ribbon Campaign’ Marks 25 Year Milestone 

“There are various types of biopsies that a patient is offered. Tru cut needle biopsy is performed in majority of the cases, however when the abnormality is very small, subtle or when seen only on the mammograms in the form of calcifications or only on the breast MRI, vacuum-assisted breast biopsies (VABB) are preferred as they increase the accuracy and sensitivity of getting a representative sample from the abnormal area. Through VABB, more tissue can be removed than by the true cut needle biopsy and hence a more accurate report can be generated by the pathologist,” added Arora.

One should look for changes in the breast in terms of size and shape. Other than formation of lump, observe whether there are skin changes such as swelling and redness, in drawing of the nipples or if there is pain, irritation, change of color, or peeling and flaking of nipple skin.

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Multi-gene Test May Help to Diagnose The Risk of Heart Disease, Diabetes And More

But specialists in heart disease and genetics who weren’t involved with the research called the new findings exciting because of their scope

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Gene test
Stephanie Richurk, a nurse at the University of Pittsburgh Medical Center, sorts blood samples collected from participants in the "All of Us" research program in Pittsburgh, Aug. 7, 2017. (VOA)

You know your cholesterol, your blood pressure … your heart gene score? Researchers say a new way of analyzing genetic test data may one day help identify people at high risk of a youthful heart attack in time to help.

Today, gene testing mostly focuses on rare mutations in one or a few genes, like those that cause cystic fibrosis or sickle cell disease, or the BRCA gene responsible for a small fraction of breast cancer. It is less useful for some of the most common diseases, such as heart disease or diabetes, because they are influenced by vast numbers of genes-gone-wrong working together in complicated ways.

Monday, researchers reported a new way to measure millions of small genetic variations that add up to cause harm, letting them calculate someone’s inherited risk for the most common form of heart disease and four other serious disorders. The potential cardiac impact: They estimated that up to 25 million Americans may have triple the average person’s risk for coronary artery disease even if they haven’t yet developed warning signs like high cholesterol.

“What I foresee is in five years, each person will know this risk number, this ‘polygenic risk score,’ similar to the way each person knows his or her cholesterol,” said Dr. Sekar Kathiresan who led the research team from the Broad Institute, Massachusetts General Hospital and Harvard Medical School.

If the approach pans out and doctors adopt it, a bad score wouldn’t mean you’d get a disease, just that your genetic makeup increases the chance — one more piece of information in deciding care. For example, when the researchers tested the system using a DNA database from Britain, less than 1 percent of people with the lowest risk scores were diagnosed with coronary artery disease, compared to 11 percent of people with the highest risk score.

heart disease
Multi-gene Test May Find Risk for Heart Disease and More. Pixabay

“There are things you can do to lower the risk,” Kathiresan said — the usual advice about diet, exercise, cholesterol medication and not smoking helps.

On the flip side, a low-risk score “doesn’t give you a free pass,” he added. An unhealthy lifestyle could overwhelm the protection of good genes.

The scoring system also can predict an increased risk of Type 2 diabetes, inflammatory bowel disease, breast cancer and an irregular heartbeat called atrial fibrillation, the team reported in the journal Nature Genetics — noting that next steps include learning what might likewise lower those risks.

It doesn’t require the most sophisticated type of genetic testing. Instead, Kathiresan can calculate risk scores for those five diseases — eventually maybe more — simply by reanalyzing the kind of raw data people receive after sending a cheek swab to companies like 23andMe.

A geneticist who specializes in cardiovascular disease, he hopes to open a website where people can send in such data to learn their heart risk, as part of continuing research. Kathiresan and co-author Dr. Amit Khera, a Mass General cardiologist, are co-inventors on a patent application for the system.

Other scientists and companies have long sought ways to measure risk from multiple, additive gene effects — the “poly” in polygenic — and Myriad Genetics has begun selling a type of polygenic test for breast cancer risk.

But specialists in heart disease and genetics who weren’t involved with the research called the new findings exciting because of their scope.

Cancer
Cancer Ribbon. Pixabay

“The results should be eye-opening for cardiologists,” said Dr. Charles C. Hong, director of cardiovascular research at the University of Maryland School of Medicine. “The only disappointment is that this score applies only to those with European ancestry, so I wonder if similar scores are in the works for the large majority of the world population that is not white.”

Hong pointed to a friend who recently died of a massive heart attack despite being a super-fit marathon runner who’d never smoked, the kind of puzzling death that doctors have long hoped that a better understanding of genetics could help to prevent.

“Most of the variation in disease risk comes from an enormous number of very tiny effects” in genes, agreed Stanford University genetics professor Jonathan Pritchard. “This is the first time polygenic scores have really been shown to reach the level of precision where they can have an impact” on patient health.

Also Read- Tdap Vaccinations Do Not Pose a Risk of Autism

First, the Boston-based team combed previous studies that mapped the DNA of large numbers of people, looking for links to the five diseases — not outright mutations but minor misspellings in the genetic code.

Each variation alone would have only a tiny effect on health. They developed a computerized system that analyzed how those effects add up, and tested it using DNA and medical records from 400,000 people stored in Britain’s UK Biobank. Scores more than three times the average person’s risk were deemed high. (VOA)