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Benign diagnosis by image-guided core-needle breast biopsy
J L Duncan1, G J Cederbom, J L Champaign
1Department of Surgery, Ochsner Clinic and Alton Ochsner Medical Foundation, New Orleans, Louisiana 70121, USA.
The American Surgeon
|January 29, 2000
Summary
Image-guided core-needle breast biopsy (IGCNBB) reliably diagnoses benign breast conditions. This accuracy allows for effective mammographic surveillance, reducing the need for unnecessary procedures.
Area of Science:
- Radiology
- Oncology
- Pathology
Background:
- Image-guided core-needle breast biopsy (IGCNBB) is standard for abnormal mammograms.
- Reliability of benign IGCNBB diagnoses requires further evidence.
Purpose of the Study:
- To establish the accuracy of benign IGCNBB diagnoses.
- To confirm the suitability of mammographic surveillance following benign IGCNBB.
Main Methods:
- Retrospective review of 1110 IGCNBB cases (July 1993-July 1996).
- Classification of biopsies: malignant, atypical, benign.
- Surveillance mammography for benign cases starting 6 months post-biopsy.
Main Results:
- 855 benign, 196 malignant, 59 atypical diagnoses.
- 85% of benign cases underwent recommended surveillance.
- Only 2 carcinomas detected post-benign IGCNBB (2-year minimum follow-up).
- Sensitivity: 100.0%, Specificity: 98.9% for benign IGCNBB.
Conclusions:
- Benign IGCNBB diagnoses are highly accurate.
- Mammographic surveillance is appropriate for benign IGCNBB findings.
- IGCNBB is the preferred method for evaluating abnormal mammograms.