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Local recurrence rate in patients with DCIS.

UNLABELLED
The aim of this observational retrospective study was to evaluate the local recurrence rate of ductal carcinoma in situ of the breast (DCIS) and/or invasive breast cancer in patients with DCIS or microinvasive carcinoma of the breast after breast conserving or radical surgery. Secondary aim of the study was comprehensive assessment of the whole management of DCIS and its comparison with European guidelines.


METHODS
The study was performed in a group of 41 women with DCIS or microinvasive cancer, who underwent surgical treatment (breast conserving or radical modified mastectomy) at the IInd Department of Gynaecology and Obstetrics, University Hospital Bratislava (UNB), during the period 2001-2009. Documentation and pathological examination data from paraffin embedded tissue sections were used as data source. We sent out questionnaires regarding data about additional postoperative treatment and course of the disease up to year 2010 with focus on recurrence or tumour de novo incidence.


RESULTS
Breast conserving surgery was performed in 28 cases - 68 %, modified radical mastectomy in 13 cases. All cases of mastectomy were due to multicentricity and/or extensive tumour >4 cm. Additional surgery due to unsatisfactory marginal status was performed in 8 patients (3.28 %). Additional treatment such as radiotherapy and/or hormonal therapy received 19 patients. Van Nuyss Prognostic Index was reported in 17 patients on the basis of histopathological data. 27 patients completed and returned questionnaire. No DCIS recurrence nor infiltrating cancer or tumour de novo was reported in this group.


CONCLUSION
We consider surgical management as adequate. Further material analysis is needed (Tab. 5, Fig. 1, Ref. 28).