18 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... specifically: iron deficiency ... , hemolysis, hemorrhage ... Myelodysplastic syndrome ... Diagnosis #Causes #hematology
Differential diagnosis of schistocytes / fragmentation hemolysis:
 • Thrombotic microangiopathies (TMA)
    - TTP
Differential diagnosis ... syndrome (ST-HUS ... • Severe B12 deficiency ... anemia" • HELLP syndrome ... #diagnosis #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... blood loss, Acute hemolysis ... , deficiency anemia ... Kawasaki, Nephrotic syndrome ... Diagnosis #Algorithm #hematology
Ascites - Differential Diagnosis
Chronic liver disease (cirrhosis or chronic hepatitis) - 80%
Underlying malignancy - 10%
Congestive heart
Ascites - Differential ... cirrhosis or chronic hepatitis ... Fitz-Hugh-Curtis syndrome ... #Differential # ... Diagnosis #hepatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
) - HELLP syndrome ... uremic syndrome ... G6PD deficiency) ... Extravascular #Causes #differential ... #diagnosis #hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... Diseases: • GATA2 deficiency ... Wiskott-Aldrich syndrome ... Antibody-mediated hemolysis ... #Diagnosis #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
x (Hct / 45) / Maturation ... Factor The maturation ... deficiencies: Iron deficiency ... Production #Index #hematology ... #anemia #differential
Common Etiologies of Cirrhosis

Inflammation

 - Hepatitis B (15 percent)

 - Hepatitis C (47 percent)

 - Schistosomiasis
Inflammation - Hepatitis ... α1-antitrypsin deficiency ... disease (Budd-Chiari syndrome ... #Diagnosis #Differential ... #Hepatology #Cirrhosis
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Anemia - Differential ... extravascular) hemolysis ... Gastrectomy, WHDA syndrome ... #Anemia #Differential ... Algorithm #ferritin #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Myelodysplastic syndrome ... spherocytosis, Hemolytic ... uremic syndrome ... key #diagnosis #differential ... #hematology