12 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... Leukemia, Tumour ... Autoimmune • ITP • SLE ... • CLL • APLA ... #Causes #Hematology
A 37-year-old woman initially presented with pancytopenia and found to have leukopenia (2.1 × 103/μL) with
promyelocytes, anemia ... 6.8 g/dL), and thrombocytopenia ... bilobed nuclei, fine ... She was diagnosed ... She was admitted
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
- infiltrates (anemia ... , thrombocytopenia ... lymphocytic lymphoma (SLL ... Lymphocytic Lymphoma (SLL ... #Hematology #Oncology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Differential Diagnosis Algorithm ... Chronic Myelogenous Leukemia ... following EtOH induced thrombocytopenia ... Iron deficiency anemia ... #Causes #Hematology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Neurological 12% - Thrombocytopenia ... - Hemolytic anemia ... Anti-cardiolipin (aPL ... - Anti-B2GP1 (aPL ... #differential #rheumatology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic Leukemia ... non-Hodgkin lymphoma SLL ... • Neutropenia, anemia ... , thrombocytopenia ... workup #oncology #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... test, ANA (e.g., SLE ... changes), high MCV anemia ... not required in all ... Causes #Workup #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Hemolytic anemia ... Splenomegaly - CTD (SLE ... - PNH - APLS ... Associated - SLE ... #rheumatology #
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Differential Diagnosis Algorithm ... genotypes): SS, SC, SE ... Schistocytes, thrombocytopenia ... #workup #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
platelet count (thrombocytopenia ... Chronic Myelogenous Leukemia ... • Hairy Cell Leukemia ... IDUS) • Immune Thrombocytopenia ... Syndromes #diagnosis #hematology