49 results
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
HLH 2. ... Still's disease ... Systemic histoplasmosis ... Hyperferritinemia #Algorithm ... Differential #Diagnosis #Hematology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... HLH syndrome 5. ... Eating disorders ... Metastatic Disease ... #Hematology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... HLH syndrome 5 ... Eating disorders ... Metastatic Disease ... #Hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Algorithm INDICATIONS ... evaluation or workup ... 1,500 cells/µL Workup ... glucocorticoid treatment ... Differential #diagnosis #hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Definition: Overwhelming clinical syndrome associated with excessive macrophage activation and cytokine storm due to
age, however the disease ... Diagnosis via genetic testing ... Ferritin >500 ng/mL ... • Bicytopenia Treatment ... #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Differential Diagnosis Algorithm ... disorders • Celiac disease ... effect following treatment ... #Causes #Hematology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
• Autoimmune diseases ... Adult-onset Still disease ... Treatment: • ... diagnosis #management #treatment ... #summary #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... smear, HIV/HCV testing ... PT, aPTT(liver disease ... changes), high MCV ... #Workup #hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... Differential Diagnosis Algorithm ... Inflammatory • Systemic ... Differential #Diagnosis #Algorithm ... #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... Rebound effect from treatment ... Vasculitides, IBD, Celiac disease ... #hematology