13 results
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - ... Differential Diagnosis Platelet ... Reactive: • Anemia ... Non-infectious (malignancy, rheumatologic ... Myelofibrosis • Chronic
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Elevated Platelet ... for workup, including ... hemolysis, deficiency anemia ... Inflammatory Conditions: Rheumatologic ... • Infections: Chronic
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, Chronic disease ... myeloma Rouleaux: Chronic ... Multiple myeloma, Chronic ... differential #diagnosis #hematology ... #microscopy #atlas
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Artifact (redo CBC ... Polycythemia Vera • Chronic ... : • Acute or Chronic ... Iron deficiency anemia ... Algorithm #Causes #Hematology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
T-cell - CD7, CD3 Chronic ... Pelger-Huet, Macrocytic anemia ... bcr-able (+) ↑ WBC ... PV), Essential Thrombocytosis ... Blood #Disorders #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... with or without platelet ... hypertension • Unusual RBC ... Diagnosis #Algorithm #workup ... #hematology #testing
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Thrombocytopenia and Platelet ... Diagnosis and Workup ... changes), high MCV anemia ... Diagnosis #Causes #Workup ... #hematology
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
result in severe anemia ... schistocytes, nucleated RBCs ... and decreased platelet ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup ... #Hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... to a low blood platelet ... Marrow Failure • Chronic ... Workup: • Complete ... Syndromes #diagnosis #hematology
Essential Thrombocythemia (ET)
ET is a chronic myeloproliferative neoplasm. Most cases are related to mutations that affect
(ET) ET is a chronic ... Diagnosis: On the CBC ... , RBCs & WBCs are ... and aside from thrombocytosis ... associated with thrombocytosis