Chromosomal aberrations and their prognostic value in a series of 174 untreated patients with Waldenström's macroglobulinemia

oleh: Florence Nguyen-Khac, Jerome Lambert, Elise Chapiro, Aurore Grelier, Sarah Mould, Carole Barin, Agnes Daudignon, Nathalie Gachard, Stéphanie Struski, Catherine Henry, Dominique Penther, Hossein Mossafa, Joris Andrieux, Virginie Eclache, Chrystèle Bilhou-Nabera, Isabelle Luquet, Christine Terre, Laurence Baranger, Francine Mugneret, Jean Chiesa, Marie-Joelle Mozziconacci, Evelyne Callet-Bauchu, Lauren Veronese, Hélène Blons, Roger Owen, Julie Lejeune, Sylvie Chevret, Hélène Merle-Beral, Véronique Leblond

Format: Article
Diterbitkan: Ferrata Storti Foundation 2013-04-01

Deskripsi

Waldenström's macroglobulinemia is a disease of mature B cells, the genetic basis of which is poorly understood. Few recurrent chromosomal abnormalities have been reported, and their prognostic value is not known. We conducted a prospective cytogenetic study of Waldenström's macroglobulinemia and examined the prognostic value of chromosomal aberrations in an international randomized trial. The main aberrations were 6q deletions (30%), trisomy 18 (15%), 13q deletions (13%), 17p (TP53) deletions (8%), trisomy 4 (8%), and 11q (ATM) deletions (7%). There was a significant association between trisomy of chromosome 4 and trisomy of chromosome 18. Translocations involving the IGH genes were rare (