8 results
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Differential Diagnosis ... hemoglobinuria) • Cold Agglutinin ... (7-8%) DAT-negative ... #Table #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
- Autoimmune (AIHA ... . primary cold agglutin ... Drugs (Beta lactam antibiotics ... Extravascular #Causes #differential ... #diagnosis #hematology
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
in Autoimmune Hemolysis ... DAT Negative Hemolysis ... ), C3d ( - ) WAIHA ... ( +/- ) Cold agglutinin ... #hematology #diagnosis
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
women • 15% of AIHA ... for anti-C3d and negative ... younger pts) Differential ... #disease #hemolytic ... #anemia #hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
1) DIAGNOSE AIHA ... • Blood smear: Differential ... screening 3) TREAT AIHA ... Anemia #diagnosis #management ... #treatment #rheumatology
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
Oroya Fever Hematologic ... bacilliformis: - Gram negative ... lysis → severe hemolytic ... Supportive and antibiotics ... Fever #diagnosis #management
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Coagulopathy) SMZL: • AIHA ... • Coombs (-) hemolytic ... Paraproteinemias #Hematology ... #Monoclonal #Differential ... #Diagnosis #Oncology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
nodosum • Immune hemolytic ... Immunohistochemical studies (to differentiate ... classification #hematology ... #oncology #management