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A recent survey foundmammograms may be better at identify breast cancerin some women during the first week of their catamenial cycle . We talk with Dr. Diana Miglioretti , a senior research worker at Group Health Research Institute in Seattle , one of the study ’s investigator , about the accuracy of mammograms and the impact of mammograms and other mental imagery tests on cancer risk .
Q : Your study prove that the timing of a woman ’s mammogram within her menstrual cycle may touch on the accuracy of her mammogram results . Are there any other factors that may move mammogram that we are just beginning to realise ?
A : Yes . I ’d say that the interpretation of mammography … deviate wildly across radiologists and across adeptness .
It ’s important that when you make your appointment for amammogram , to ask if there ’s a breast - see specialist usable to learn the mammogram . That ’s what I would do . I ’d rather get a farther length to have a white meat - imaging specialist read my mammogram than go to a tight adeptness that does n’t have one available .
We found that knocker - project specialists are more accurate at interpreting mammograms . [ Also ] radiologist who are fellowship - discipline in breast imagery are better at interpret mammograms .
There are also some patient - level factor that influence mammography performance : affected role ' age in addition to breast density ; whether you have afamily history of white meat cancerone with a kinsfolk account of breast cancer might expect more untrue positive mammograms , meaning they ’re go to be more likely to be recall for benignant breast disease than other adult female .
Also , your prison term between your screening mammograms if you have more time in between screening mammograms , the tumor has more sentence to uprise and it ’s easy to find larger tumour .
Q : So a cleaning lady ’s age can influence the truth of her mammogram outcome . Is this because knocker denseness is low in menopausal cleaning woman ?
A : Age is associate with accuracy above and beyond chest density , so it ’s not just bosom tightness , but there ’s something else about older women that make it easier for a mammogram to see malignant neoplastic disease and to rule out cancer .
Q : You are also studying the potential impact of more frequent symptomatic imaging . Is there grounds that more aesculapian imaging test may grow someone ’s risk of cancer ?
A : Yes . This gets more to CT reckon imaging . Theuse of CT in the United States has grown rapidlyin the past two decades . The dose from CT is in the orbit where it can increase the risk of Crab . So I do believe that our increased role of imaging could be cause cancer .
Q : Can frequent mammograms increase the risk of boob Crab ?
A : The radiation from mammograms is jolly low . So the enjoyment of mammograms could increase cancer slightly , but the benefits of mammograms in women 50 and over outbalance the risk of infection .
This is not dependable for women under 40 . Unless you have very strong risk cistron for breast malignant neoplastic disease , such as a strong family story , such as BRCA1 or 2 mutations , it ’s not recommended that women under 40 get mammogram , because the risk of infection of cancer from that mammogram could outweigh any benefit .
Q : Would that be because the char who start the mammograms earlier receive them over a longer period of time ?
A : That ’s right . And younger women may be more susceptible to actinotherapy - induct Crab . So , the event of radiation on inducing cancer depends powerfully on years , with children being at the high risk . So young adults can be at a pretty high risk of radiation therapy - induced cancer .
Once you ’re in your in-between ages , there may not be any more decline , but they ’re at lower risk .
A : That ’s unknown . That ’s an area that need to be researched .
If a someone has some acute term that could head to their imminent expiry , then it ’s very authoritative to have the imaging . So it ’s very dependent on the meter reading for the exam .
And that ’s research we ’re purport to do , is to look at some meter reading for CT imagination and see when it really does have a benefit that outweighs the risk .
But if potential , there ’s ways toreduce the risk of cancer .
One , you need to just ensure whether you really call for the imaging test has a prior mental imagery psychometric test been done ? Are there other mental imagery mental testing you’re able to use that do n’t have radiation syndrome , likeMRIor ultrasound ?
And then if the doctor determines that the CT really is needed , there are low dose communications protocol or slipway to reduce the dose from CT that should be look at , especially in young small fry .
