12 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Cell Agglutinate: Cold ... , Paroxysmal cold ... RBC #Morphology #differential ... #diagnosis #hematology ... #microscopy #atlas
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... Extrinsic Causes: • Liver ... • AIHA: warm, cold ... drug induced • Infections ... classification #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... e.g. lupus, CLL, lymphoma ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Autoimmune: Warm AIHA, Cold ... Defects, Drugs, Liver ... Internal (RBC) - Infections ... Defects: Sickle cell anemia ... #Diagnosis #hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Monoclonal - Lymphoid ... Clinical Presentation ... anemiaCold ... younger pts) Differential ... #hematology #diagnosis
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
e.g., HIV), EBV infection ... the spleen or liver ... • Other hematologic ... #differential # ... hematology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
sequence: Variable appearance ... Therefore, the hand surgeon ... Differential diagnosis ... #diagnosis #msk ... #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... procedures - Infection ... practices that could ... changes), high MCV anemia ... #Workup #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... disease • Liver ... • Nodules • Lymphoid ... autoimmune hemolytic anemia ... hypogammaglobulinemia #immunology #hematology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
History of EBV infection ... - Clinical Presentation ... Weight loss • Anemia ... Immunohistochemical studies (to differentiate ... #hematology #oncology