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Is CT screening for lung cancer a good idea?

Lots of media coverage would say that it is: the Independent puts it: “Screening heavy smokers with low-dose computer tomography (CT) instead of X-rays can reduce deaths from lung cancer by 20 percent, a massive US study released Thursday shows. Previous studies have shown that helical CT scanning can identify small tumors in the early stages […]

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Sense on genetic screening from the USA

Great to see some straight talking common sense from the US. Just because you can have your genome dissected, doesn’t mean you should pay a few hundred pounds for your ‘genetic risk assessment’ as several UK and US websites currently offer. These tests may need FDA approval, says this piece from the New England Journal of […]

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Radiation and risk

The NEJM carries a concerning article: a woman having a CT of head was exposed, accidentally, to a radiation overdose. She became unwell afterwards, and she’s suing. However the article also points out that new imaging techniques, getting more information about brain structures and blood flow mean that radiation doses from scans can now be […]

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The first false positives….

False positives are one of the many banes of screening programmes. In the US, advertising for people to come to private clinics for expensive CT scans, to screen people for lung cancer is common and, of course, legal. Here in the UK, several private companies advertise their services despite COMARE saying that “we have strongly […]

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Screening for ovarian cancer: the pros and cons

There has been much press coverage of The Lancet Oncology’s paper this week on screening for ovarian cancer. Screening – looking for disease before a person has symptoms that suggest the disease – is often harder than it seems, thanks to the myriad problems it can create. That’s not to say that screening shouldn’t be […]

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