Blood Disorders - Markers and Differential Diagnosis Algorithm Acute • Myloid (AML) - CD13, CD33, CD34, HLA-DR, MPO, Sudan Black, Auer rod • Lymphoid (ALL) - PAS, TdT Lymphadenopathy, CNS Involvement - B-cell - CD19, CD22, CD10 - T-cell - CD7, CD3 Chronic • Myloid Disorders - Myelodysplastic Disorder - Abnormal morphology, Pseudo Pelger-Huet, Macrocytic anemia - Myeloproliferation Disorder - Abnormal Proliferation • Lymphoid (CLL) - CD38(new), Light chain restriction (κ or λ), Smudge Cells - B-cell CD5, CD19, CD20, CD23, o CML - bcr-able (+) ↑ WBC o Other bcr-able (-) - Polycythemia Vera (PV), Essential Thrombocytosis (ET), Myelofibrosis (MF), Reactive Thrombocytosis - T-cell - Amy Chung, MD, MSc @AmyChung #Blood #Disorders #hematology #Markers #Differential #Diagnosis #Algorithm