20 results
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... Extravascular Causes ... . lupus, CLL, lymphoma ... #differential # ... diagnosis #hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
- Differential ... Malignant • Lymphoma ... Systemic Lupus Erythematosus ... Serum Sickness Hemolytic ... #Causes #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Thalassemia • Lead ... • Bleeding • Hemolysis ... Disease (e.g. ... #Anemia #MCV #Classification ... #Causes #Hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Systemic Lupus Erythematosus ... Age > 50 • Chronic ... Lymphadenopathy #LAD ... #Causes #Hematology ... #Oncology
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
• Kikuchi Disease ... Tularemia • Secondary ... Lymphadenopathy #LAD ... #Causes #Hematology ... #Oncology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Diagnosis Secondary ... iron deficiency, hemolysis ... Myelodysplastic syndrome ... #Diagnosis #Causes ... #hematology #secondary
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Chemotherapy (e.g ... IgM associated lymphoma ... Malignant lymphoma ... RBC #Morphology #differential ... #diagnosis #hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Classification: ... permanent alopecia Differential ... . hematologic) ... with Lupus: • Chronic ... #Diagnosis #Rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
AIHA Primary Secondary ... Cold Agglutinin Syndrome ... Diagnosis: • hemolytic ... younger pts) Differential ... #hematology #diagnosis
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
infection risk secondary ... • Nodules • Lymphoid ... and autoimmune hemolytic ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology