87 results
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... crisis • Severe B12 ... #schistocytes #differential ... #diagnosis #hematology ... #hemolysis
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Lymphoproliferative disorder ... , Autoimmune disorder ... Spherocytes • Treatment ... • Treatment: Warm ... #Anemia #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
cold agglutin disease ... lymphoproliferative disorders ... e.g. sickle cell disease ... Extravascular #Causes #differential ... #diagnosis #hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Splenomegaly - Differential ... Myeloproliferative disorders ... Serum Sickness Hemolytic ... Spleen #Enlarged #Differential ... Algorithm #Causes #Hematology
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Autoimmune Hemolytic ... Anemia (AIHA) - Differential ... Cold Agglutinin Disease ... #Autoimmune #Hemolytic ... Diagnosis #Table #hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... Congenital Diseases ... Antibody-mediated hemolysis ... consumption • Vitamin B12 ... #Diagnosis #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... • Rheumatic disorders ... • Celiac disease ... effect following treatment ... Algorithm #Causes #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... Consider RBC membrane disorder ... #Anemia #Differential ... Algorithm #workup #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... blood loss, Acute hemolysis ... Rebound effect from treatment ... Vasculitides, IBD, Celiac disease ... Diagnosis #Algorithm #hematology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
chronic kidney disease ... - Vitamin B12 ... Probable bone marrow disorder ... Underproduction #Algorithm #hematology ... #diagnosis #differential