21 results
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Pseudotumor - Infectious ... • Acne • Allergy ... History of Bleeding, Infection ... Age > 50 • Chronic ... Algorithm #Causes #Hematology
Causes of Leukocytosis and Leukopenia - Differential Diagnosis
 • Eosinophilia (AEC > 500, hypereosinophilia > 1500):
and Leukopenia - Differential ... hypereosinophilia > 1500): Allergic ... Neoplastic • Neutropenia ... Benign ethnic neutropenia ... Diagnosis #causes #hematology
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
Basophilia - Differential ... released during an allergic ... reaction or asthma ... Disorders: • Chronic ... ’s Disease • Asthma
Isolated Neutropenia - Differential Diagnosis Algorithm
Chronic (>3 months):
 • Extrinsic: Vitamins
 • Intrinsic: Congenital, Inflammatory
Transient:
 •
Isolated Neutropenia ... - Differential ... Diagnosis Algorithm Chronic ... , Non-infectious ... Diagnosis #Algorithm #hematology
Causes of Eosinophilia - Differential Diagnosis
Bugs:
 - Fungus (aspergillosis)
 - Viral (HIV)
 - Ectoparasites (scabies, myiasis)
Eosinophilia - Differential ... Rhinitis - Allergic ... Dermatitis - Asthma ... Hypereosinophilic Syndrome - Chronic ... Diagnosis #Causes #hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - Differential ... deficiency) • Infection ... Myelofibrosis • Chronic ... Myeloid Leukemia ... causes #Platelets #hematology
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Eosinophilia - Differential ... • Eosinophilic Leukemia ... : Asthma, Eczema ... eosinophilia) • Infectious ... insufficiency, Chronic
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Neutrophils - Differential ... Diagnosis Algorithm Infection ... Myeloproliferative Disorder • Chronic ... myelogenous leukemia ... Algorithm #Causes #Hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Chronic leukemia ... Malaise, bleeding, infections ... pain, bleeding, infections ... or functional neutropenia ... #Hematology #Oncology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Myelogenous Leukemia ... Myelofibrosis Infectious ... : • Acute or Chronic ... Algorithm #Causes #Hematology