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

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - Differential ... Donath-Landsteiner HA (paroxysmal ... MatthewHoMD #Autoimmune ... Diagnosis #Table #hematology
Expected DAT Results in Autoimmune Hemolysis
DAT Negative Hemolysis
 • DAT Poly ( - ), IgG (
DAT Results in Autoimmune ... , C3d ( +/- ) Paroxysmal ... #antiglobulin #test ... #DAT #Autoimmune ... #Hemolysis #hematology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... Inflammatory and Autoimmune ... erythematosus • HLH • Paroxysmal ... #Pancytopenia #Differential ... #Diagnosis #Hematology
Benign Adrenal Mass - Differential Diagnosis Algorithm
Hyperplasia - Often Bilateral
 • Congenital Adrenal Hyperplasia
 • ACTH
Adrenal Mass - Differential ... Dexamethasone Suppression Test ... Pheochromocytoma (Paroxysmal ... AdrenalMass #Benign #Differential ... Diagnosis #Algorithm #Endocrinology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Transfusion reaction, Paroxysmal ... Immune-mediated: - Autoimmune ... idiopathic) - Autoimmune ... Extravascular #Causes #differential ... #diagnosis #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Membrane): - Autoimmune ... Laboratory Tests ... #Hemolysis #Differential ... #Diagnosis #hematology
Malignant Adrenal Mass - Differential Diagnosis Algorithm
Suggestive of Malignancy: Inhomogenous Density, Delay in CT Contrast Washout
Adrenal Mass - Differential ... Dexamethasone Suppression Test ... Pheochromocytoma (Paroxysmal ... AdrenalMass #Malignant #Differential ... Diagnosis #Algorithm #Endocrinology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Viral infection, autoimmune ... younger pts) Differential ... macroglobulinemia Paroxysmal ... • Diagnostic Test ... hemolytic #anemia #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
spherocytosis, Autoimmune ... Agglutinate: Cold autoimmune ... hemolytic anemia, Paroxysmal ... RBC #Morphology #differential ... #diagnosis #hematology
Hepatocellular Liver Injury - Differential Diagnosis Framework:
Liver Injury → liver test abnormalities without evidence of liver
Liver Injury - Differential ... Injury → liver test ... Other: NAFLD, Autoimmune ... Liver #Injury #Differential ... #Diagnosis #hepatology