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Surgical treatment of breast precancers – our experience

Czech version

Authors: I. Zedníková 1;  Ch. Mach 1;  M. Hlaváčková 2;  K. Pivovarčíková 3;  T. Svoboda 4
Authors‘ workplace: Chirurgická klinika LF UK, a FN Plzeň 1;  Klinika zobrazovacích, metod LF UK a FN Plzeň 2;  Šiklův ústav patologie, LF UK a FN Plzeň 3;  Onkologická, a radioterapeutická klinika, LF UK a FN Plzeň 4
Published in: Rozhl. Chir., 2024, roč. 103, č. 7, s. 269-274.
Category: Original articles
doi: https://doi.org/10.48095/ccrvch2024269

Overview

Introduction: Thanks to mammographic screening and the improvement of breast cancer diagnostics, the detection of precancers is also increasing. They are defined as morphological changes of the mammary gland which are more likely to cause cancer. The evaluated precancers are atypical ductal hyperplasia (ADH), lobular carcinoma in situ (LCIS) and radial scar.

Methodology: In the period 1. 1. 2018–31. 12. 2022, we performed 1,302 planned operations for breast disease at the Surgical Clinic of Teaching Hospital Plzeň, of which 30 (2%) were precancer operations. ADH was confirmed 11×, LCIS 8×, and a radical scar 11×. The average age of the patients in all three groups was 56 years (27–85). Precancer was diagnosed 8× only by sonography, 3× by mammography and 19× by a combination of both methods. Subsequently, a puncture biopsy was always completed. We performed 28 tumor excisions with intraoperative biopsy and 2 mastectomies.

Results: In the case of ADH from puncture biopsy, ADH was confirmed intraoperatively 8×, DCIS was diagnosed 2×, and mucinous carcinoma 1×. In LCIS, no tumor was found by intraoperative biopsy 4×, LCIS was confirmed 1×, lobular invasive carcinoma was diagnosed 1×, mastectomy was performed 2× without intraoperative biopsy. In the radial scar, ADH was diagnosed 3×, sclerosing adenosis 6×, DCIS 1×, invasive carcinoma 1×. After the final histological processing of the samples, there was an increase in diagnosed carcinomas. In ADH, DCIS was confirmed 3×, DIC 2×, and mucinous carcinoma 1×. In LCIS, LIC was diagnosed 3×. In the radial scar, DCIS was confirmed 1×, and invasive carcinoma remain 1×. Thus, carcinoma was diagnosed in 11 patients (37%) thanks to the surgical solution. No patient underwent axillary node surgery. All 11 patients subsequently underwent oncological treatment, always a combination of radiotherapy and hormone therapy. All patients are alive, 10 patients are in complete remission of the disease, one with DCIS experienced a local recurrence after 4 years.

Conclusion: Surgical treatment of precancers of the breast makes sense, DCIS or even invasive cancer is often hidden in addition to precancer. Thanks to the surgical solution, the cancer was detected in time.

Keywords:

breast cancer – atypical ductal hyperplasia – lobular carcinoma in situ – radial scar

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MUDr. Ilona Zedníková, Ph.D.
Chirurgická klinika LF UK a FN Plzeň
E. Beneše 1128/13 301 00 Plzeň 3
zednikovai@fnplzen.cz

Labels
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