10 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Microangiopathic Hemolytic ... spherocytosis, Autoimmune hemolytic ... Cold autoimmune hemolytic ... #Morphology #differential ... #diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... elliptocytosis, autoimmune hemolysis ... ARUPConsult @ARUPLabs #Hemolytic ... #Anemia #Differential ... #workup #hematology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... 2) External (RBC ... Defects: Sickle cell anemia ... Urobilinogen #Hemolysis ... Diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... anemia • Cold ... smear - RBC agglutination ... #hemolytic #anemia ... #hematology #diagnosis
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
hemorrhage and hemolysis ... result in severe anemia ... anemia Indirect ... from ischemia WBC ... #Workup #Hematology
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Bandemia Overview ... Even with normal WBC ... relative to both WBC ... bacteremia • Abnormal WBC ... #WBC #CBC #hematology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Weight loss • Anemia ... nodosum • Immune hemolytic ... anemia • Pain ... platelets - WBC ... #hematology #oncology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
+Organomegaly+↑RBC ... • Coombs (-) hemolytic ... anemia due to cold ... Paraproteinemias #Hematology ... #Diagnosis #Oncology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... the presence of anemia ... count (CBC) • ... #laboratory #workup ... #Rheumatology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... autoimmune hepatitis, PBC ... gastric tumors • Hematology ... Thalassemia, Sickle cell anemia ... #diagnosis #hematology