Interstitial laser hyperthermia: a new approach for treating liver metastases
1992

Interstitial Laser Hyperthermia for Liver Metastases

Sample size: 10 publication Evidence: low

Author Information

Author(s): A. Masters, A.C. Steger, W.R. Lees, K.M. Walmsley, S.G. Bown

Primary Institution: University College and Middlesex Hospitals, London, UK

Hypothesis

Can Interstitial Laser Hyperthermia effectively induce necrosis in liver metastases?

Conclusion

The study found that Interstitial Laser Hyperthermia can induce necrosis in liver metastases, with a 44% objective response rate.

Supporting Evidence

  • Ten out of 18 metastases showed radiological evidence of at least partial necrosis.
  • Smaller metastases (diameter < 3 cm) showed the largest percentage necrosis by volume.
  • Five of the ten metastases with necrosis volumes greater than or equal to 70% remained the same size at follow-up.

Takeaway

Doctors used a special laser to heat and destroy cancer spots in the liver, and it worked for some patients.

Methodology

Ten patients with liver metastases were treated using a percutaneous approach with a Nd:YAG laser, and the results were monitored through imaging.

Limitations

The study was small, and further research is needed to establish the technique's efficacy and safety.

Participant Demographics

Median age of participants was 67 years, with a range of 48-78 years.

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