A fundamental error, according to several epidemiologists, is that Tsuda compared the results of the Fukushima survey, which used
advanced ultrasound devices that detect otherwise unnoticeable growths, with the roughly three cases of thyroid cancer per million found by traditional clinical examinations of patients who have lumps or symptoms.
Not exact matches
Asking why the stethoscope has not yet made way for its more technically
advanced counterpart,
ultrasound, the authors say that while the cheapest available stethoscopes are literally disposable (though many can cost hundreds of dollars), the cost of the cheapest
ultrasound devices is still several thousand dollars, making roll - out, especially in developing nations, much more difficult.
Pinton and colleagues, with help from recent
advances in a technology called
ultrasound elastography, developed an
ultrasound imaging
device and data - processing algorithms to track the larger, more powerful shear waves that they and other researchers suspect cause tissue damage after head injuries.