13 results
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Hemolytic Anemia ... Complement-mediated • Etiology ... Complement-mediated • Etiology ... #Anemia #hematology ... #diagnosis #comparison
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Volume (MCV) - Differential ... Bleed • Hemolysis ... Inflammation • Cancer ... #Differential # ... Algorithm #Causes #Hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Idiopathic monoclonal ... • Symptoms of anemia ... anemia • Cold ... younger pts) Differential ... #anemia #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
infiltration (e.g. cancer ... Retroperitoneal, Uterine • Hemolysis ... Microangiopathic hemolytic ... Production #Index #hematology ... #anemia #differential
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... deficiency • Fanconi’s anemia ... telomeropathy Cancer ... Antibody-mediated hemolysis ... #Diagnosis #Hematology
Monoclonal Gammopathy of Undetermined Significance (MGUS) - Summary Framework

Hematologic disorder characterized by the presence of either
the hematologic cancer ... No evidence of anemia ... insufficiency, Anemia ... #Significance #hematology ... #diagnosis #oncology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Platelet Count - Differential ... blood loss, Acute hemolysis ... , deficiency anemia ... Malignancy: Metastatic cancer ... Thrombocytosis #Platelets #Differential
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Coombs (-) hemolytic ... anemia due to cold ... Paraproteinemias #Hematology ... #Monoclonal #Differential ... #Diagnosis #Oncology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Etiology: • Vascular ... DIC/TTP/HUS - Hemolytic ... anemia - Splenomegaly ... #nonpalpable #dermatology
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
pregnant have hemolytic ... anemia, or psoriasis ... with leading to a functional ... deficiency #FolicAcid #differential ... #diagnosis #hematology