Myeloproliferative/lymphoproliferative Neoplasms, Familial, is also known as ddx41-related hematologic malignancy predisposition syndrome. An important gene associated with Myeloproliferative/lymphoproliferative Neoplasms, Familial is DDX41 (DEAD-Box Helicase 41). Affiliated tissues include myeloid and bone marrow, and related phenotypes are asthma and myelodysplasia