10 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
, Chronic disease ... Bite Cell RBC: G6PD ... Diseases #Red #BloodCell ... #differential # ... diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... - Differential ... bartonella (oroya fever ... #Anemia #Differential ... #workup #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Diagnosis Framework ... anemia, Thalassemias ... - AST ↑ - Urinalysis ... Diagnosis #hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
Microangiopathic hemolytic ... . sickle cell anemia ... Production #Index #hematology ... #anemia #differential ... #diagnosis #calculation
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
anemia Indirect ... from ischemia WBC ... count and differential ... a left shift Urinalysis ... #Workup #Hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Lymphadenopathy • Fevers ... Lymphocytosis on CBC ... • Neutropenia, anemia ... #workup #oncology ... #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... Blood smear - RBC ... younger pts) Differential ... Symptoms: High fevers ... #anemia #hematology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
peripheral blood leukocytes ... Neutrophil (Normal) Differential ... tachycardia or fever ... #differential # ... #WBC #CBC #hematology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• Dyspnea • Fever ... nodosum • Immune hemolytic ... Hodgkin Lymphoma Workup ... Immunohistochemical studies (to differentiate ... classification #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... lymphopenia, low PLT • Anemia ... titers > 1:80 • CBC ... , TSH and urinalysis ... with Lupus: • Chronic