Abstract
We evaluated the effectiveness and the cost of axillary staging in breast cancer patients by ultrasound-guided fine-needle aspiration cytology (US-FNAC), sentinel node biopsy (SNB), and frozen sections of the sentinel node to achieve the target of the highest number of immediate axillary dissections. From January 2003 through October 2005, a total of 404 consecutive eligible breast cancer patients underwent US-FNAC of suspicious axillary lymph nodes. If tumor cells were found, immediate axillary dissection was proposed (33% of node-positive cases). If US or cytology was negative, SNB was performed. Frozen sections of the sentinel node allowed immediate axillary dissection in 31% of node-positive cases. The remaining 36% underwent delayed axillary dissection. We compared our policy with clinical evaluation of the axilla, showing better specificity of US-FNAC, the cost balanced by a 12% reduction of SNBs, and a marked reduction of unnecessary axillary dissections resulting from false-positive clinical staging. Moreover, the comparison between our policy and permanent histology of the sentinel node showed an 8% cost saving, mainly associated with the immediate axillary dissections. US-FNAC of axillary lymph nodes in breast cancer patients reliably predicts the presence of metastases and therefore refers a significant number of patients to the appropriate surgical treatment, avoiding an SNB. As cost saving to the health care system in our study is mainly related to one-step axillary surgery, US-FNAC of axillary lymph nodes and frozen section of the sentinel node generate significant cost saving for patients who have metastatic nodes.
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Acknowledgments
Ginteam, our Mini Invasive Gynaecological and Breast Surgical Unit, shares in a Task Force of Senology, a multidisciplinary group operating within the observance of diagnostic and therapeutic predefined and organized processes, working methods, and clinical protocols that are subjected to audits on correctness and effectiveness. The Unit operates in agreement with guidelines, and in cooperation with National Health Service doctors and specialists. Each team sharing in the Task Force achieved the ISO 9001 certification on professional service quality. “SNB procedure is very much a team effort with active skilled involvement of multiple disciplines” [6], so the authors wish to express their gratitude to all nonauthor components of the joint management: executive secretary and nurses (Cristiana Molino, Maria Laudisio, Patrizia Miniscalco, Isabella Nocito, Monica Scarpello, Patrizia Todisco); radiologists (Chiara Gallino, Simona Morello); doctors from Nuclear Medicine Units of Mauriziano Hospital in Turin (Osvaldo Elia) and Santa Croce Hospital in Moncalieri (Giovanni Bertuccio, Giacomo Canavese); Ginteam members (Simona Aidala, Marilena Cozzarella, Davide D’alessandro, Elena Delpiano, Raffaella Enria, Giorgio Febo, Chiara Perono Biacchiardi); plastic surgeons (Massimo Baruffaldi, Franco Maniglia, Attilio Perla, Stefania Renditore); anesthetists (Luisa Bellero, Enrica Balestra, Marina Innocenti, Maurizio Moretti, Marina Pinsoglio, Andrea Rava, Giuseppe Rossi, Antonio Vietti Ramus); pathologists (Laura Viberti, Tommaso Emmer, Giorgio Lazzari); oncologists (Gianni Fornari, Elisa Artusio, Laura Cavagna, Lorenza Mairone, Paola Sperone, Anna Turletti); and radiotherapists from San Giovanni Antica Sede in Turin (Alessandro Boidi Trotti, Paolo Rovea).
Conflicts of Interest The authors and Ginteam members indicated no potential conflicts of interest.
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Genta, F., Zanon, E., Camanni, M. et al. Cost/Accuracy Ratio Analysis in Breast Cancer Patients Undergoing Ultrasound-Guided Fine-Needle Aspiration Cytology, Sentinel Node Biopsy, and Frozen Section of Node. World J Surg 31, 1157–1165 (2007). https://doi.org/10.1007/s00268-007-9009-3
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DOI: https://doi.org/10.1007/s00268-007-9009-3