13 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Artifact (redo CBC ... Chronic Myelogenous Leukemia ... disorders • Celiac disease ... malignancy • Iron ... #Causes #Hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
) Morphology Atlas ... • Microcytic - Iron-deficiency ... #key #diagnosis ... #differential # ... hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, Thalassemia, Iron ... elliptocytosis, Severe iron ... #Morphology #differential ... #diagnosis #hematology ... #microscopy #atlas
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
Diagnosis Framework ... Colitis and Crohn’s Disease ... Other Causes: • Iron ... Irradiation • Cirrhosis ... #hematology #basophils
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
deficiencies: Iron ... Chronic kidney disease ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... Behcet syndrome (Clinical ... ) Differential Diagnosis ... tears, Ischemia, Leukemia ... signs #symptoms #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
likely it will be clinically ... Juvenile Idiopathic Arthritis ... Primary Biliary Cirrhosis ... ANA #patterns #rheumatology ... #diagnosis #differential
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Normal: < 1% Clinically ... Tissue damage • Leukemia ... • Autoimmune diseases ... #WBC #CBC #hematology ... #pathophysiology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
) Suspect: Clinical ... permanent alopecia Differential ... Non-autoimmune rheumatologic ... Hodgkin lymphoma and leukemia ... #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... ferritin level, and iron ... (to support a diagnosis ... ANA and RF (if clinical ... #testing #Rheumatology