Should internal mammary chain (IMC) sentinel node biopsy be performed? Outcome in 90 consecutive non-biopsied patients with a positive IMC scintigraphy

MWJM (Michel) Wouters, AN Geel, MBE Pluijmers, AY Kanter, Hendrik Bruin, LC Verhoog, Lex Eggermont

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Abstract

Introduction: Although the status of the regional lymph nodes is an important determinant of prognosis in breast cancer, harvesting sentinel nodes (SN) detected in the internal mammary chain (IMC) is still controversial. Aims: To determine in how many patients a positive IMC-SN might change the systemic or locoregional adjuvant therapy, with a possible benefit in outcome. Patients and methods: During 61/2years data of Tl-2 breast cancer patients, having an SN procedure, were prospectively collected. Our policy was not to explore the IMC even if it was the only localization of an SN. Results: In 86 of 571 patients lymphoscintigraphy showed an IMC-SN. In 64 of these, the axillary SN was negative and only 25 of these patients did not have an indication for adjuvant systemic treatment based on their tumor characteristics. In the literature, IMC metastases are found in 0-10% of axillary negative patients. Routine IMC-SN biopsies would have resulted in an indication for adjuvant systemic therapy in 2-3 of our patients. Four parasternal recurrences were found during a median follow-up of 51 months. Conclusions: Harvesting IMC-SNs is a procedure of which only a limited number of patients have therapeutical benefit. Even with a thorough selection of patients, the extra morbidity of the procedure should be weighed against the potential benefit for the patient. (C) 2007 Elsevier Ltd. All rights reserved.
Original languageUndefined/Unknown
Pages (from-to)152-158
Number of pages7
JournalBreast
Volume17
Issue number2
DOIs
Publication statusPublished - 2008

Research programs

  • EMC MM-03-47-11
  • EMC NIHES-03-30-01

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