43 results
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Sickled red cells ... : Sickle cell disease ... Bite cells: G6PD ... Smear #Analysis #hematology ... #microscopy #interpretation
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... disorders • Celiac disease ... effect following treatment ... Iron deficiency anemia ... #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
, Liver diseases ... Myelodysplastic syndrome ... , Liver diseases ... Hemolytic uremic syndrome ... #differential #hematology
VEXAS (Vacuoles, E1 enzyme, X-linked, Autoinflammatory, Somatic) Syndrome
Clinical Syndrome:
 • Common Clinical Features: alveolitis, ear and
thromboembolic disease ... vasculitis • Hematologic ... Abnormalities: macrocytic anemia ... NEJM Review: https ... Autoinflammatory #Somatic #rheumatology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Myelodysplastic Syndromes ... Macrocytosis, Target Cells ... • Liver Disease ... #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... Rebound effect from treatment ... Kawasaki, Nephrotic syndrome ... Diagnosis #Algorithm #hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... = funny-shaped cells ... old, ~10,000 new cases ... cytopenias (usually anemia ... #hematology #oncology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Hemolytic anemia ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Differential #Diagnosis #hematology ... #rheumatology #
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
group of disorders caused ... skin that are caused ... Myeloproliferative Disease ... factor (GCSF) treatments ... #diagnosis #hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
chronic kidney disease ... Alcohol use, Liver disease ... Myelodysplastic syndrome ... differential #diagnosis #causes ... #hematology