3430 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Myelofibrosis Infectious ... disorders • Celiac disease ... Non malignant hematologic ... states • Non-hematologic ... Algorithm #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... • Nonmalignant hematologic ... Vasculitides, IBD, Celiac disease ... TPO, TPO-RA • Infections ... : Chronic infections
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Diagnosis • Infection ... Malignancy: - Hematologic ... carcinoma • Non-infectious ... Inflammatory Diseases ... , Kikuchi disease
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung disease ... • Infectious ... Granulomatous disease ... • Liver diseases ... hypogammaglobulinemia #immunology #hematology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
., HIV), EBV infection ... , Autoimmune diseases ... Etiology: - Infections ... Lymphomas • Other hematologic ... #differential #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
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Anterior • Infection ... • Kikuchi Disease ... Axillary: • Infection ... (In absence of infection ... Algorithm #Causes #Hematology
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
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Anemia of Chronic Disease ... Renal Disease, Liver ... Disease, Endocrinopathy ... Inflammation, Chronic Infection ... Algorithm #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
cold agglutin disease ... Mycoplasma pneumoniae infection ... e.g. sickle cell disease ... spherocytosis) • Infections ... differential #diagnosis #hematology