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Bronchiolar columnar cell dysplasia - Genetic analysis of a novel preneoplastic lesion of peripheral lung

Virchows Archiv, ISSN: 0945-6317, Vol: 442, Issue: 5, Page: 429-436
2003
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Article Description

Atypical adenomatous hyperplasia is the only known precursor lesion of lung adenocarcinomas (ACs) so far. Here, we describe a new dysplastic lesion in the bronchioles of peripheral lung for which we propose the name bronchiolar columnar cell dysplasia (BCCD). Eight of fourteen BCCDs were successfully analyzed by means of comparative genomic hybridization (CGH). The average number of chromosomal aberrations was 2.6 in BCCD and 14.7 in concomitant AC. Among the aberrations were losses of 3p, 9, 13, 14 and gains of 1q, 17, 19q and 20q. Summarizing our data from morphological and genetic analysis, we conclude that BCCD is a preneoplasia of the bronchiolar epithelium and most probably represents an additional precursor lesion of lung adenocarcinomas.

Bibliographic Details

Ullmann, Reinhard; Bongiovanni, Massimo; Halbwedl, Iris; Petzmann, Susanna; Gogg-Kammerer, Margit; Sapino, Anna; Papotti, Mauro; Bussolati, Gianni; Popper, Helmut H

Springer Science and Business Media LLC

Medicine; Biochemistry, Genetics and Molecular Biology

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