22 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... hemolytic anemia ... hemolytic anemia ... #diagnosis #hematology ... #microscopy #atlas
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Red Blood Cell (RBC ... ) Morphology Atlas ... #Morphology #Atlas ... #key #diagnosis ... #differential #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... uremic syndrome ... • Intrinsic RBC ... #hematology #anemia
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Hemolytic Anemia ... 1) DIAGNOSE AIHA ... ↑ LDH • Anti-RBC ... FOR a cause → Systematic ... #Hemolytic #Anemia
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential Diagnosis ... other reproducible morphologic ... elliptocytosis, autoimmune ... #workup #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Diagnosis Framework ... Membrane): - Autoimmune ... Drug-associated, PCH, Evans Syndrome ... Defects: Sickle cell anemia ... #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... : Autoimmune, Microangiopathic ... hemolytic anemia ... Production #Index #hematology ... #diagnosis #calculation
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential Diagnosis ... , CKD • Hemolytic ... - Extrinsic: Autoimmune ... aciduria, Drugs (e.g ... #hematology
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... acute blood loss, hemolysis ... of substrate (e.g ... #Algorithm #Diagnosis ... #Workup #Hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
deficiency • Fanconi’s anemia ... Wiskott-Aldrich syndrome ... Inflammatory and Autoimmune ... Diseases: • Systemic ... #Hematology