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Br J Cancer. 1994 Mar;69(3):566-71.

Tumour cell detection in the bone marrow of breast cancer patients at primary therapy: results of a 3-year median follow-up.

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  • 1Department of Obstetrics and Gynaecology, Klinikum Grosshadern, Ludwig-Maximilians-Universit├Ąt, Munich, Germany.

Abstract

We examined bone marrow aspirates from 100 metastasis-free primary breast cancer patients. In 38/100 patients (38%), tumour cells were detected in the marrow using an immunocytochemical technique with a cocktail of two monoclonal antibodies: anti-EMA and anti-cytokeratin. Median follow-up was 34 months: 15/38 (39%) tumour cell-positive patients have since relapsed, but only 9/62 (15%) tumour cell-negative patients. The median interval between tumour cell detection and relapse was 11.4 months. No statistically significant correlation existed between tumour cell presence and 'established' prognostic factors. However, relapse-free survival was significantly shorter in tumour cell-positive patients. Multivariate analysis showed tumour cell presence as a strong, significant prognostic factor for relapse-free as well as overall survival. We conclude that screening for tumour cells in bone marrow of primary breast cancer patients identifies high-risk patients for early relapse. In particular, patients with node-negative tumours who have tumour cells in their bone marrow may require subsequent systemic therapy.

PMID:
7510120
[PubMed - indexed for MEDLINE]
PMCID:
PMC1968873
Free PMC Article
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