The inherited bone marrow (BM) failure syndromes Fanconi anemia ( 1 ) and dyskeratosis congenita ( 2 ) are genetic disorders in which patients develop BM failure at a high frequency, usually in association with a number of somatic abnormalities. They are the best characterized and the most common of this group of disorders. These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.