9 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Diagnosis Framework ... /Quantity: • Primary ... - Hemolytic anemia ... #hematology #rheumatology ... #nonpalpable #dermatology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... - Differential Diagnosis ... Reticulocytosis • Primary ... Hypersplenism • Secondary ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... malignancies • Anemia ... Post-splenectomy Primary ... #Causes #hematology ... #secondary
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... thrombocytopenic purpura ... usually IgM) (e.g. primary ... #hematology #anemia
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Primary (essential ... Skin necrosis • Purpura ... cryoglobulins • Negative causes ... #rheumatology # ... hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Petechiae • Purpura ... Treatment: • Treat primary ... cause • Correct ... #Coagulation #diagnosis ... #management #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
infection risk secondary ... autoimmune hemolytic anemia ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Classified among the secondary ... with leukopenia, anemia ... Activation #Syndrome #Diagnosis ... #Management #Hematology ... #Rheumatology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
activity • ↓ LAP Score ... - infiltrates (anemia ... + distinctive primary ... #Leukemia #Hematology ... #Oncology #Diagnosis