34 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... iron deficiency, hemolysis ... disorders (e.g. autoimmune ... Diagnosis #Causes ... #hematology #secondary
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Artifact (redo CBC ... • Polycythemia ... disorders • Celiac disease ... #Causes #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
disorders (eg. polycythemia ... vera, essential thrombocytosis ... Inflammatory • Systemic ... Serum Sickness Hemolytic ... #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... , Vasculitides, ... IBD, Celiac disease ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... • Intrinsic RBC ... #differential # ... diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential ... Diagnosis Algorithm ... cardiac valve, vasculitis ... elliptocytosis, autoimmune ... #workup #hematology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... Relative - Normal RBC ... Chronic Chest Symptoms ... Disease #Polycythemia ... #Causes #Hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Wiskott-Aldrich syndrome ... Inflammatory and Autoimmune ... Diseases: • Systemic ... Antibody-mediated hemolysis ... #Diagnosis #Hematology
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Asthma Tugs (vasculitis ... / autoimmune): ... Lymphomas - Systemic ... #Diagnosis #Causes ... #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Diagnosis Framework ... Membrane): - Autoimmune ... Drug-associated, PCH, Evans Syndrome ... Diagnosis #hematology