A large-scale, 12-year study has found that laser ablation with magnetic resonance (MR) guidance is as effective as traditional surgery in the treatment of liver tumors in some patients. The study was presented today at the annual meeting of the Radiological Society of North America (RSNA).
In the largest study of its type with the longest follow-up, 839 patients at the University of Frankfurt in Germany received MR-guided laser-induced thermotherapy (LITT) for the treatment of liver tumors resulting from colorectal cancer. Between 1993 and 2005, the researchers treated 2,506 liver tumors and tracked survival rates to evaluate the long-term results of the procedure. The average survival rate from the date of diagnosis was 3.8 years, which compares favorably to survival rates after traditional surgery (approximately 1.5 to 5.0 years).
In LITT, also known as laser ablation, laser light is used to destroy tumor tissue. According to the studys lead author, Martin Mack, M.D., laser ablation has many advantages over other treatment methods.
Maureen Morley | EurekAlert!
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