19 results
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- CD7, CD3 Chronic ... Pelger-Huet, Macrocytic anemia ... bcr-able (+) ↑ WBC ... PV), Essential Thrombocytosis ... #hematology #Markers
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Overall Approach ... on Smear • Chronic ... • Anemia of Chronic ... Membrane Disorder ... Disorder - Acquired
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Burr Cell RBC (Echinocyte ... Bite Cell RBC: G6PD ... Unstable hemoglobin disorders ... differential #diagnosis #hematology ... #microscopy #atlas
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... hemorrhage) • Chronic ... inflammatory disorders ... myeloid leukemia (CML ... Diagnosis #Causes #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Artifact (redo CBC ... : • Acute or Chronic ... • Rheumatic disorders ... Iron deficiency anemia ... Algorithm #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Approach to Thrombocytosis ... for workup, including ... hemolysis, deficiency anemia ... Inflammatory Conditions: Rheumatologic ... • Infections: Chronic
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... Mean corpuscular (cell ... (BM) ablative disorders ... Algorithm #Diagnosis #Workup ... #Hematology #Microcytic
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... Lymphocytosis on CBC ... lymphoproliferative disorders ... • Neutropenia, anemia ... Leukemia #diagnosis #workup
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Consider sickle cell ... membrane disorder ... Diagnosis #Algorithm #workup ... #hematology #testing
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... changes), high MCV anemia ... not required in all ... Diagnosis #Causes #Workup ... #hematology