265 results
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
deficiency) • Infection ... Sepsis • Non-infectious ... (malignancy, rheumatologic ... causes #Platelets #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Vasculitides, IBD, Celiac disease ... TPO, TPO-RA • Infections ... : Chronic infections ... Diagnosis #Algorithm #hematology
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
Connective Tissue, Infections ... Lymphocytosis: Infection ... Lymphocytopenia: Infections ... • Neutropenia: Infections ... Diagnosis #causes #hematology
Diagnostic Schema for Hyperferritinemia

Pearl: Diseases associated with extreme elevations: 
1. HLH 
2. Still's disease 
3. Systemic
Hyperferritinemia Pearl: Diseases ... Still's disease ... Differential #Diagnosis #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
SLE) - Viral infections ... APLS • Acute Infectious ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Hemolytic anemia in Wilson's disease

#Wilsons #Disease #hemolytic #anemia #Hematology #pathophysiology
anemia in Wilson's disease ... #Wilsons #Disease ... hemolytic #anemia #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Diagnosis Algorithm Infectious ... • Gaucher's Disease ... Glycogen Storage Disease ... • Sickle Cell Disease ... Algorithm #Causes #Hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... cell arteritis Infections ... • Fungal infections ... vasculitis #Dermatologic ... rash #diagnosis #rheumatology
Approach to Von Willebrand disease (VWD)

By Matthew Ho, MD PhD @MatthewHoMD

#VWD #Von #Willebrand #VonWillebrand #disease #hematology
Von Willebrand disease ... VonWillebrand #disease ... #hematology #algorithm
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Congenital Diseases ... and Autoimmune Diseases ... deficiency Infections ... Differential #Diagnosis #Hematology