Journal List > J Breast Cancer > v.13(2) > 1036203

Park, Chang, Huh, and Kim: Is Further Diagnostic Surgery Necessary for the Benign Papillary Lesions that Are Diagnosed by Large Volume Vacuum Assisted Breast Biopsy?

Abstract

Purpose

There is ongoing controversy regarding the management of papillary lesions that are diagnosed by core needle biopsy (CNB). The development of vacuum assisted biopsy now permits non-operative removal of papillary breast lesions. Our aim was to evaluate whether the papillary lesions diagnosed by vacuum assisted breast biopsy (VABB) can be followed up without further diagnostic excision.

Methods

From January 2003 to July 2009, a total of 4,655 US-guided mammotome excision were performed in 3,714 patients at Kangnam CHA Hospital. Out of 4,655 lesions, 156 lesions were proved to be papillary lesions. Among these, 82 lesions that had histologic findings that were consistent with benign papillary lesions and that were followed up for more than 2 years without further diagnostic surgical excision were collected and retrospectively analyzed. Ultrasonographic follow-up was done at 3-6 month intervals to assess for recurrence. The mean follow up period was 49.6 months.

Results

The pathologic diagnoses for the 82 lesions obtained via VABB were benign intraductal papilloma and papillomatosis. Half of the lesions were palpable and 50.0% (41 cases) were nonpalpable. Twenty eight lesions (34.1%) were classified as BIRADS category 3, 50 lesions (61.0%) were category 4A, 3 lesions (3.7%) were category 4B and only 1 lesion (1.2%) was category 5 according to the ultrasound exams. No local recurrence developed during the follow up period that needed surgical re-excision or rebiopsy. None of those diagnosed as benign lesions at VABB were upgraded to a more advanced lesions.

Conclusion

The benign papillary lesions that are diagnosed and excised by mammotome may not need further diagnostic surgical re-excision if surgeons are sure that the targeted lesions were excised completely.

Figures and Tables

Table 1
Pathologic classification
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Table 2
Age distribution of patients
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Table 3
Tumor size distribution
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Table 4
Distribution of BI-RADS category of mammography and palpability of benign papillary lesions
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MMG=mammography; BI-RADS=Breast imaging reporting and data system.

Table 5
Tumor location distribution
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UOQ=upper outer quadrant; UIQ=upper inner quadrant; LOQ=lower outer quadrant; LIQ=lower inner quadrant.

Table 6
Proportion of US result
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R/O=rule out; IDP=intraductal papilloma.

Table 7
Ultrasound BI-RADS category distribution of benign papillary lesions
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USG=ultrasonography.

Table 8
Correlation between the size, number of pieces and time of procedure
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SD=standard deviation.

*8G needle used; includes 2 cases of 11G needle.

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