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Related Experiment Videos

Laser therapy for small breast cancers.

Kambiz Dowlatshahi1, Darius S Francescatti, Kenneth J Bloom

  • 1Department of General Surgery, Rush-Presbyterian-St. Luke's Medical Center, Chicago, IL 60612, USA. kdwolat@rush.edu

American Journal of Surgery
|October 18, 2002
PubMed
Summary

Stereotactic laser ablation effectively destroys small breast cancers detected by mammography. This minimally invasive treatment shows high success rates with no adverse effects, paving the way for clinical trials.

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Area of Science:

  • Oncology
  • Minimally Invasive Surgery
  • Medical Imaging

Background:

  • Mammography enables early detection of small breast cancers (<1.5 cm).
  • In-situ laser ablation is a potential treatment for these early-stage tumors.
  • Image-guided needle biopsies are crucial for diagnosis and prognosis.

Purpose of the Study:

  • To evaluate the efficacy and safety of stereotactic laser ablation for small breast cancers.
  • To assess the feasibility of percutaneous laser treatment for invasive and in-situ tumors.

Main Methods:

  • 54 patients with breast cancer underwent stereotactic laser ablation using an 805 nm laser via a 16G needle.
  • Tumors were subsequently surgically removed for pathological evaluation (n=54) or monitored via imaging and biopsy (n=2).

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Main Results:

  • Laser ablation demonstrated high efficacy, with 93-100% complete tumor destruction in resected cases.
  • No adverse effects were reported; average treatment time was 30 minutes.
  • Non-resected tumors showed shrinkage, followed by oil cyst formation and fibrosis on biopsy.

Conclusions:

  • Stereotactic laser ablation is a promising technique for ablating mammographically detected breast cancer.
  • Further investigation through a multicenter clinical trial is warranted.