11 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, Thalassemia, Iron ... Diseases #Red #BloodCell ... #differential #diagnosis ... #hematology #microscopy ... #atlas #nomenclature
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Myelogenous Leukemia ... Myelofibrosis Infectious ... malignancy • Iron ... deficiency anemia ... Algorithm #Causes #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
x (Hct / 45) / Maturation ... Factor The maturation ... deficiencies: Iron ... Production #Index #hematology ... #diagnosis #calculation
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Chronic leukemia ... all phases of maturation ... - infiltrates (anemia ... #Hematology #Oncology ... #Diagnosis
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Chronic Lymphocytic ... immunophenotype Clinical ... Complications: 1) Infection ... #oncology #hematology ... #management
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Normal: < 1% Clinically ... Tissue damage • Leukemia ... likelihood of negative clinical ... #CBC #hematology ... #pathophysiology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... Orange or Hep C Clinical ... weeks without infection ... • Neutropenia, anemia ... #oncology #hematology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Clinical Presentation ... Idiopathic • Infections ... virus (EBV) • Leukemia ... #oncology #hematology ... #diagnosis #management
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
fibromyalgia) • Infections ... lymphopenia, low PLT • Anemia ... with Lupus: • Chronic ... Hodgkin lymphoma and leukemia ... #Rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... the presence of anemia ... ferritin level, and iron ... ANA and RF (if clinical ... #testing #Rheumatology