Cancer Weekly
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Bone Research
Research from University of Toronto has provided new information about bone research
March 31st, 2009
"Approximately 50% of patients with cancer will develop skeletal metastases, which often lead to significant pain. When a patient complains of pain, a bone scan and/or plain x-rays are ordered as investigations," investigators in Toronto, Canada report. "X-rays necessitate a 1-cm diameter mass and 50% bone mineral loss at minimum for detection. Up to 40% of lesions will be unidentified by x-rays, presenting false-negative results. Computed tomography (CT) scans can recognize a bony metastatic lesion up to 6 months earlier than an x-ray. However, plain x-rays can also lead to rare false-positive results," wrote N. Salvo and colleagues, University of Toronto. ...
Source: Cancer Weekly (2009-03-31)
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