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Preoperative needle localization to detect early breast cancer
C H Rusnak1, D B Pengelly, R T Hosie
1Department of Surgery and Medical Imaging, Greater Victoria Hospital Society, British Columbia, Canada.
American Journal of Surgery
|May 1, 1989
Summary
Mammographically controlled needle localization is an effective breast cancer detection technique with a 93% success rate. This method aids in identifying malignancies, guiding conservative surgical treatment, and detecting high-risk lesions.
Area of Science:
- Radiology
- Oncology
- Surgical Pathology
Background:
- Needle localization is crucial for guiding biopsy and surgical excision of non-palpable breast lesions.
- Assessing the efficacy of mammographically controlled needle localization is vital for improving breast cancer diagnosis and treatment.
Purpose of the Study:
- To evaluate the effectiveness of mammographically controlled needle localization in localizing breast lesions.
- To determine the rate and characteristics of malignancies detected using this technique.
- To analyze the implications for surgical intervention and patient follow-up.
Main Methods:
- Retrospective review of 200 female patients undergoing mammographically controlled needle localization.
- Analysis of 192 specimen radiographs to assess lesion localization accuracy.
- Review of pathological findings, including cancer type, stage, and lymph node status.
Main Results:
- A 93% success rate for preoperative needle localization.
- 48 cancers detected (24%), predominantly ductal carcinomas (38 invasive, 10 in-situ).
- Microcalcifications were the primary indication for biopsy (61%).
Conclusions:
- Mammographically controlled needle localization is a highly effective technique for localizing breast lesions.
- Conservative breast surgery is the preferred treatment for detected cancers.
- The technique facilitates the detection of high-risk lesions requiring close monitoring.