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Accuracy of frozen sections for breast cancer sentinel lymph node biopsies within a peripheral New Zealand hospital.
Tan J, et al. N Z Med J. 2016.
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Abstract

AIM: Intra-operative frozen section is a commonly-used technique for evaluating sentinel lymph node biopsies in breast cancer to determine the need for an axillary node dissection (AND). Frozen section does have drawbacks, including cost and uncertainty around operating time. In addition, recent studies have questioned the benefit of AND in certain cases. The aim of this study was therefore to evaluate the accuracy of frozen section at our institution.

METHODS: All patients who had a sentinel node biopsy for breast cancer in the Hawke's Bay District Health Board region over a 1-year period were included in the study. Results of intra-operative frozen section were compared to routine paraffin histological analysis.

RESULTS: Eighty patients were eligible. Eighteen had a positive frozen section. There were two false negatives. The sensitivity of frozen section for metastases was 90%, specificity was 100%, and the false negative rate was 2.5%.

CONCLUSIONS: The accuracy of frozen section section for sentinel lymph node biopsies in breast cancer at Hawke's Bay District Health Board is acceptable by international standards. However, as further evidence against axillary node dissections in those with sentinel node positive disease mounts, their use in the future may be limited.

PMID 27005873 [PubMed - in process]
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شنبه, 04 ارديبهشت 1395 15:48 چاپ

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