DRM probe and electronics (Photo: Massachusetts General Hospital)
DMR readout on a smartphone (Photo: Massachusetts General Hospital)
The permanent magnet and active DMR probe of the DRM cancer and disease diagnostic sensor (Photo: Massachusetts General Hospital)
Combined view of DMR apparatus and magnetic tagging process (Photo: Massachusetts General Hospital)
The Massachusetts General Hospital handheld diagnostic magnetic resonance (DMR) device can detect cancer in an hour
Magnetic resonance. We all think of the massive multimillion dollar magnetic resonance imaging machines into whose gaping mouth we are slowly propelled on a motorized table, ready to have our smallest flaws exposed. But the phenomenon of magnetic resonance has other medical uses. A team of physicians and scientists led by Prof. Ralph Weissleder of Massachusetts General Hospital (MGH) has developed a handheld diagnostic magnetic resonance (DMR) device that can diagnose cancer in an hour with greatly improved accuracy compared to the current gold standard. The DMR technique is sensitive enough that only material from a fine needle aspiration biopsy is needed for the test - a far less painful experience compared to the usual surgical or core needle biopsies.
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