Partial PTEN deletion is linked to poor prognosis in breast cancer

Abstract excerpt

BACKGROUND: Deletions of chromosome 10q23, including the PTEN (phosphatase and tensin homolog) locus, are known to occur in breast cancer, but systematic analyses of its clinical relevance are lacking. METHODS: We thus analyzed a tissue microarray (TMA) with 2,197 breast cancers by fluorescence in-situ hybridization (FISH) using a PTEN-specific probe. RESULTS: PTEN deletions were detected in 19% of no special...

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