Assessment of proliferating cell nuclear antigen activity using digital image analysis in breast carcinoma following magnetic resonance-guided interstitial laser photocoagulation

Soheila Korourian, Vicki Klimberg, Rhonda Henry-Tillman, Diana Lindquist, Mary Jones, David Cardwell Eng, Jay C. Helsel, Hameed Mumtaz, Kent Westbrook, Steven Harms

Research output: Contribution to journalArticle

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Abstract

This study examines proliferative activity in tumor cells of patients with histologically documented invasive breast carcinoma treated with magnetic resonance-guided interstitial laser photocoagulation (MR-GILP). Immunohistochemical marker for proliferating cell nuclear antigen (PCNA), a nuclear protein abundant in actively proliferating cells, is used. The study demonstrates the effectiveness of MR-GILP in ablating tumor cells of infiltrating breast cancer. The diagnosis of infiltrating breast carcinoma was confirmed by core needle biopsies. Using a specially designed magnetic resonance imaging (MRI) device, rotating delivery of excitation off-resonance (RODEO), tumors were measured ranging from 1.8 to 4.0 cm in greatest dimension. Seven formalin-fixed, paraffin-embedded archival tissues from seven patients with infiltrating carcinoma, status post-MR-GILP, were analyzed. Using PCNA immunoperoxidase (Biomeda Corp.), the proliferative capability of the remaining tumor cells around the focus of laser photocoagulation was determined. The lesions were digitally acquired using a Nikon Eclipse E800 microscope with an automated stage. Images were analyzed using Cool SNAP image editing software (version 1.0). Appropriate thresholds were set for positive staining and limited concentric radial measurements of equal area between all samples were compared at radial millimeter intervals from the center of laser ablation. The integrated area occupied by PCNA-positive cells per radial millimeter from the charcoal site (the center of the laser) increased as the distance from this site increased (a mean average at each radial measurement revealed: at the 1 mm radius the positive integrated area was 0.0024 mm2; at 2 mm, 0.0145 mm2; at 3 mm, 0.0351 mm2; at 4 mm, 0.0696 mm2; at 5 mm, 0.1025 mm2; and at 6 mm, 0.1263 mm2). MR-GILP is an effective mean of ablating breast carcinoma. This treatment option may represent an alternative to lumpectomy for a single lesion≤1 cm, or make patients with two separate lesions eligible for lumpectomy.

Original languageEnglish (US)
Pages (from-to)409-413
Number of pages5
JournalBreast Journal
Volume9
Issue number5
DOIs
StatePublished - Sep 2003
Externally publishedYes

Fingerprint

Light Coagulation
Proliferating Cell Nuclear Antigen
Lasers
Magnetic Resonance Spectroscopy
Breast Neoplasms
Segmental Mastectomy
Neoplasms
Large-Core Needle Biopsy
Charcoal
Laser Therapy
Nuclear Proteins
Paraffin
Formaldehyde
Software
Magnetic Resonance Imaging
Staining and Labeling
Carcinoma
Equipment and Supplies

Keywords

  • Breast neoplasm
  • Laser treatment
  • MRI
  • PCNA

ASJC Scopus subject areas

  • Internal Medicine
  • Surgery
  • Oncology

Cite this

Assessment of proliferating cell nuclear antigen activity using digital image analysis in breast carcinoma following magnetic resonance-guided interstitial laser photocoagulation. / Korourian, Soheila; Klimberg, Vicki; Henry-Tillman, Rhonda; Lindquist, Diana; Jones, Mary; Eng, David Cardwell; Helsel, Jay C.; Mumtaz, Hameed; Westbrook, Kent; Harms, Steven.

In: Breast Journal, Vol. 9, No. 5, 09.2003, p. 409-413.

Research output: Contribution to journalArticle

Korourian, Soheila ; Klimberg, Vicki ; Henry-Tillman, Rhonda ; Lindquist, Diana ; Jones, Mary ; Eng, David Cardwell ; Helsel, Jay C. ; Mumtaz, Hameed ; Westbrook, Kent ; Harms, Steven. / Assessment of proliferating cell nuclear antigen activity using digital image analysis in breast carcinoma following magnetic resonance-guided interstitial laser photocoagulation. In: Breast Journal. 2003 ; Vol. 9, No. 5. pp. 409-413.
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