43 results
Dysmorphic Red Blood Cells on Electron Microscopy
This eyeSCANdy image shows dysmorphic red blood cells from the
Dysmorphic Red Blood Cells ... on Electron Microscopy ... dysmorphic red blood cells ... clinical #pathology #hematology
A non-subtle example of true Sezary syndrome.  Patient presented with erythroderma without antecedent history of
Sezary #Syndrome #Cells ... Pathology #Smear #Microscopy ... #Hematology
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
anemia Sickled red cells ... disease Bite cells ... Smear #Analysis #hematology ... #microscopy #interpretation
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Pseudotumor - Infectious ... History of Bleeding, Infection ... Reed-Sternberg Cells ... Algorithm #Causes #Hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Avg age of DX ... history of recurrent infections ... disease • Infectious ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Diagnosis Algorithm Infection ... pancytopenia, blast cells ... Algorithm #Causes #Hematology
Peripheral blood findings in microangiopathic hemolytic anemia.  DIC is a clinical and laboratory diagnosis, not
polychromatophilic cells ... hemolytic #anemia #Hematology ... Pathology #Smear #Microscopy
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
related vasculitis, infections ... Associated: - Microscopic ... Vasculitis #skin #dermatology ... #rheumatology #
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophilia, 500-1,500 cells ... Hypereosinophilia, >1,500 cells ... drug reaction, infection ... Strongyloides infection ... Differential #diagnosis #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
weeks without infection ... or basket cells ... Scoring system: DDX ... Contamination, colitis DDX ... workup #oncology #hematology