tool uses radio wave electricity to kill liver, kidney tumors
cautery tool used for years to seal blood vessels during surgery
is finding new use as a tumor-killer at the UC Davis Cancer Center.
ablation, which uses electricity generated by low-frequency radio
waves to vaporize tissue, is showing promising results in treating
benign and malignant tumors. It's administered percutaneously or
laparoscopically, so it has fewer complications than conventional
John McGahan, director of abdominal imaging for the UC Davis School
of Medicine and Medical Center, and Philip Schneider, chief of the
Division of Surgical Oncology, are among a small group of researchers
using the tool to treat cancer patients who cannot undergo conventional
the duo has treated 30 patients using radiofrequency ablation. Most
have been cancer-free for at least one year. Those who died were
able to live longer and enjoy a better quality of life than they
would have otherwise.
most extensive experience has been with metastatic liver tumors,
but last year McGahan became one of the first physicians in the
country to use it successfully on a woman with early-stage kidney
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John McGahan, director of abdominal imaging, has been investigating
the uses of radiofrequency ablation for 20 years.