22 results
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Megaloblastic Anemia ... Sickled red cells ... disease Bite cells ... Smear #Analysis #hematology ... #microscopy #interpretation
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Aplastic Anemia ... Neutropenia - recurrent infections ... Idiopathic • Infections ... and thymoma DDX ... #oncology #hematology
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
microangiopathic hemolytic anemia ... Microangiopathic hemolytic anemia ... polychromatophilic cells ... #Hematology #Pathology ... #Smear #Microscopy
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
• Mean age at Dx ... petechiae) • Frequent infections ... DDX: Rule Out ... • Parvovirus infection ... Syndromes #diagnosis #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Avg age of DX ... disease • Infectious ... autoimmune hemolytic anemia ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
• Symptoms of anemia ... • hemolytic anemia ... sensitize red blood cells ... disease #hemolytic #anemia ... #hematology #diagnosis
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
= funny-shaped cells ... cytopenias (usually anemia ... risk-stratification • Risks: infection ... Management #treatment #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
weeks without infection ... Scoring system: DDX ... • Neutropenia, anemia ... Contamination, colitis DDX ... workup #oncology #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Hemolytic Anemia ... Algorithm • Sickle cells ... inclusions - If infection ... ARUPLabs #Hemolytic #Anemia ... Algorithm #workup #hematology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Bandemia, AKI. ... Dx? ... When considering infections ... bacillus cause selsis ... Canimorsus #Skin #Rash #dermatology