19 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, Chronic disease ... Burr Cell RBC (Echinocyte ... Bite Cell RBC: G6PD ... Target Cell RBC ... #microscopy #atlas
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach ... on Smear • Chronic ... • Anemia of Chronic ... Disease • Marrow ... Algorithm #Causes #Hematology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- CD7, CD3 Chronic ... Pelger-Huet, Macrocytic anemia ... • Lymphoid (CLL ... bcr-able (+) ↑ WBC ... Blood #Disorders #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
RBC) Morphology ... Atlas • Microcytic ... coagulopathy (DIC) #RBC ... #Morphology #Atlas ... #differential #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Approach to Thrombocytosis ... for workup, including ... hemolysis, deficiency anemia ... Vasculitides, IBD, Celiac disease ... • Infections: Chronic
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Artifact (redo CBC ... : • Acute or Chronic ... disorders • Celiac disease ... Iron deficiency anemia ... Algorithm #Causes #Hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Chronic leukemia ... extramedullary disease ... basophilia, and thrombocytosis ... - infiltrates (anemia ... #Leukemia #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
transform into a RBC ... kidney disease, ... , Intrinsic RBC ... defects (e.g. sickle cell ... Production #Index #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Consider sickle cell ... hypertension • Unusual RBC ... Diagnosis #Algorithm #workup ... #hematology #testing
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... Lymphocytosis on CBC ... cells can indicate disease ... • Neutropenia, anemia ... Leukemia #diagnosis #workup