20 results
diagnosis differential oncology management algorithm leukemia mds myelodysplastic rheumatology thrombocytopenia activation acute allergy aplastic chronic common cvid dermatology disorders erythematosus
Chronic Lymphocytic Leukemia - Summary Cancer affecting lymphocytes/Mature B cell neoplasm • Lymphocytes accumulate in large numbers
weeks without infection ... lymphocyte > 5000/microL ... • Neutropenia, anemia ... Leukemia #diagnosis #workup ... #oncology #hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm Decreased Megakaryopoiesis • Aplastic Anemia • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... ITP • SLE • CLL ... Non-lmmune: • HELLP Syndrome ... Vasculitis • Infection ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes Intravascular Hemolysis: • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... ) - HELLP syndrome ... ) (e.g. lupus, CLL ... differential #diagnosis #hematology ... #anemia
Leukemias Overview: ALL, CML, AML, APML, CLL Acute leukemias > 20% blasts in the peripheral blood smear
-> AML: Blast crises ... develop leukostasis syndrome ... - infiltrates (anemia ... • Tumor lysis syndrome ... #Leukemia #Hematology
Causes of Thrombocytosis - Differential Diagnosis Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis): • Acute infection • Solid organ
Thrombocytosis): • Acute infection ... malignancies • Anemia ... Myelodysplastic syndrome ... myeloid leukemia (CML ... #hematology #secondary
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup History: - Prior platelet count, family
Diagnosis and Workup ... procedures - Infection ... changes), high MCV anemia ... not required in all ... #Workup #hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
old, ~10,000 new cases ... cytopenias (usually anemia ... risk-stratification • Risks: infection ... Allogeneic stem cell ... Management #treatment #hematology
Myelodysplastic Syndromes (MDS) What? Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... DDX: Rule Out ... • Parvovirus infection ... Workup: • Complete ... #diagnosis #hematology
Aplastic Anemia - Overview Who? • M = F • 3 peaks: 1) Childhood 2) 15-25 years 3) >60 years What? • Aplastic anemia
Neutropenia - recurrent infections ... and petechiae Causes ... Idiopathic • Infections ... and thymoma DDX ... #oncology #hematology
Common Variable Immunodeficiency (CVID) What? CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to impaired B-cell ... autoimmune hemolytic anemia ... DDX - Other causes ... : • Nephrotic syndrome ... hypogammaglobulinemia #immunology #hematology
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