Recurrence after mastectomy for ductal carcinoma in situ.
Mastectomy has long been a standard option for patients with ductal carcinoma in situ (DCIS). It is preferentially chosen by some women and may be suggested for individuals with recurrent, multifocal, or multicentric disease. We chose to evaluate our recent experience with mastectomy for DCIS. A retrospective review was conducted of 83 patients (87 breasts) from 1995 to 2006 who underwent mastectomy for DCIS. Mastectomy for DCIS was performed in 49 postmenopausal, 33 premenopausal, and one male patient. The average age was 53 years and the mean follow up was 4.5 years. Sentinel lymph node (SLN) biopsy was performed on 44 cases; positive nodes were identified in two. Intraoperative analyses of SLN were all negative. Only one patient had ipsilateral recurrence of the skin (1.1%). DCIS with microinvasion was noted in 32 per cent of the patients; none of these patients had ipsilateral recurrence. Three patients had positive microscopic margins; none have recurred to date. These results confirm the usefulness of mastectomy for patients with DCIS. We recommend SLN biopsy without intraoperative touch prep analysis. Additional treatment may not be required in patients with microinvasion, positive or close margins because our series shows no local recurrence in these patients.
Godat, LN; Horton, JK; Shen, P; Stewart, JH; Wentworth, S; Levine, EA
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