Shwachman–Diamond syndrome (SDS) is an autosomal recessive disorder (OMIM 260400), characterized by exocrine pancreatic insufficiency, skeletal abnormalities and bone marrow (BM) dysfunction, with a risk, as high as 30%, to develop myelodysplastic syndrome and/or acute myeloid leukaemia (MDS/AML). The SBDS gene (OMIM 607744) is localized on chromosome 7 at the band q11 and mutations of this gen...