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. 2023 Dec;30(13):8381-8388.
doi: 10.1245/s10434-023-14143-6. Epub 2023 Aug 24.

Spare the Nipple: A Systematic Review of Tumor Nipple-Distance and Oncologic Outcomes in Nipple-Sparing Mastectomy

Susie Youn  1 , Esther Lee  2 , Lashan Peiris  2 , David Olson  2 , David Lesniak  2 , Nikoo Rajaee  2
Affiliations

Spare the Nipple: A Systematic Review of Tumor Nipple-Distance and Oncologic Outcomes in Nipple-Sparing Mastectomy

Susie Youn et al. Ann Surg Oncol. 2023 Dec.

Abstract

Background: Preserving the nipple-areolar complex (NAC) in breast cancer surgery improves patient satisfaction and quality of life. The oncologic safety of NSM in tumors < 2 cm from the nipple remains in question. We conducted a systematic review to determine whether TND < 2 cm was associated with increased risk of LRR in patients undergoing NSM.

Methods: We included studies of invasive or in situ breast cancer < 2 cm from NAC undergoing NSM which reported LRR rates. LRR rates were stratified by TND and culminated across studies. Cohort study quality was assessed using Newcastle-Ottawa Criteria. Meta-analysis was not possible due to heterogeneity in reporting survival outcomes.

Results: We identified seven retrospective cohort studies with 2295 patients and 18 case series with 3507 patients. Direct tumor involvement of NAC was considered an absolute contraindication to NSM in all studies. In cohort studies, median follow-up was 31-112 (range 14-204) months. Cohorts with TND < 2 cm did not have a significantly higher rate of LRR. Amongst case series, 275 patients had TND < 2 cm. Combined LRR in case series was 2.6%, with median follow-up 10.4-71 (range 0-158) months.

Conclusions: Our systematic review did not identify TND < 2 cm as a significant risk factor for LRR. NSM appears oncologically safe in select patients with TND < 2 cm. Given the improved quality of life associated with NSM compared to skin-sparing mastectomy, we suggest NSM as the procedure of choice in appropriately selected patients.

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References

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