21 results
Approach to Leukocytosis - Differential Diagnosis Algorithm

Features of hematologic malignancy:
 • Symptoms: B-symptoms, bruising/bleeding, fatigue/weakness, immunosuppression
B-symptoms, bruising/bleeding ... hepatomegaly • Labs: anemia ... , ↑ MCV, ↑/↓ platelets ... Diagnosis #Algorithm #hematology ... #WBC #Leukemoid
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Corpuscular Volume (MCV ... ) - Differential ... 80-100 fL) • Bleeding ... #Differential # ... Algorithm #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Thrombocytosis - Differential ... Myelogenous Leukemia ... • Rheumatic disorders ... Iron deficiency anemia ... Algorithm #Causes #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... RBCs on Smear • Chronic ... Reticulocytes, MCV ... • Anemia of Chronic ... Algorithm #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... inflammatory disorders ... Myelodysplastic syndrome ... myeloid leukemia ... Diagnosis #Causes #hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
of chronic inflammation ... of chronic kidney ... Myelodysplastic syndrome ... #differential # ... diagnosis #causes #hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Lymphadenopathy - Differential ... • EBV • CMV ... - History of Bleeding ... Age > 50 • Chronic ... Algorithm #Causes #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential ... - History of bleeding ... changes), high MCV ... anemia (vegan, ... Causes #Workup #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Corpuscular Volume (MCV ... ) - Differential ... • Small Bowel Disorder ... Myelodysplastic Syndromes ... Algorithm #Causes #Hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Chronic leukemia ... develop leukostasis syndrome ... - infiltrates (anemia ... • Tumor lysis syndrome ... #Hematology #Oncology