20 results
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
organ or stem cell ... crisis • Severe B12 ... deficiency • Mechanical ... hemolytic anemia ... differential #diagnosis #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
RBC) Morphology Atlas ... Myelodysplastic syndrome ... spherocytosis, Hemolytic ... uremic syndrome ... #differential #hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Macrocytic RBC: Vitamin B12 ... Microangiopathic Hemolytic ... Cold autoimmune hemolytic ... differential #diagnosis #hematology ... #microscopy #atlas
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... uremic syndrome ... G6PD deficiency) ... differential #diagnosis #hematology ... #anemia
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
• Fanconi’s anemia ... Wiskott-Aldrich syndrome ... Antibody-mediated hemolysis ... consumption • Vitamin B12 ... Differential #Diagnosis #Hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Consider sickle cell ... #Anemia #Differential ... Diagnosis #Algorithm #workup ... #hematology #testing
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... Megakaryopoiesis • B12 ... ITP • SLE • CLL ... Non-lmmune: • HELLP Syndrome ... Algorithm #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... blood loss, Acute hemolysis ... , deficiency anemia ... Diagnosis #Algorithm #hematology
Causes of Anemia in Cirrhosis - Differential Diagnosis Framework
LOW RETIC INDEX - ↓ PRODUCTION
 • Vitamin
PRODUCTION • Vitamin B12 ... Destruction: Zieve's syndrome ... , Spur cell anemia ... anemia, Hemolysis ... Differential #Diagnosis #Hepatology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
deficiencies: Iron deficiency ... loss), Vitamin B12 ... defects (e.g. sickle cell ... anemia, G6PD deficiency ... Production #Index #hematology