Chronic myeloid disorders 1. Chronic Myeloproliferative Disorders (CMPDs) 1.1. Essential Thrombocythemia (ET) 1.1.1. Autosomal Dominant Familial Essential Thrombocythemia 1.1.2. Philadelphia Chromosome Positive ET and Bcr/Abl Positive ET 1.2. Polycythemia Vera (PV) 1.2.1. Autosomal dominant Familial PV 1.3. Melofibrosis with Myeloid Metaplasia (MMM) 1.3.1. Agnogenic Myeloid Metaplasia (AMM) or Chronic Idiopathic Myelofibrosis (CIMF 32) 1.3.2. Atypical Variants 1.3.3. Secondary MF 2. Myelodysplastic Syndroms 2.1. MDS-variants 2.1.1. Therapy-related MDS 2.1.2. Hypocellular MDS 2.1.3. Hyperfibrotic MDS 2.1.4. 5p-Syndrome 2.1.5. 17p-Syndrome 2.1.6. Monosomy 7 Syndrome 2.1.7. Trisomy 8 2.1.8. 3q21q26 Syndrome 2.1.9. Overlap Syndromes 2.1.9.1. Paroxysmal nocturnal haemoglobinuria (PNH) and MDS/PNH 2.1.9.2. Aplastic anemia (AA) and AA/PNH 2.1.9.3. Large granulocytic lymphoma (LGL) and MDS/LGL 3. Atypical Chronic Myeloid Disorders 3.1. CMML 3.2. Atypical CML 3.3. Chronic Neutrophilic Leukemia 3.4. Mast Cell Leukemia 3.5. Chronic Eosinophilic Leukemia 3.6. Chronic Myelogenous Leukemia 3.6.1. Atypical CML