12 results
Causes of Diffuse and Localized Lymphadenopathy - Differential Diagnosis Algorithm
 • Reactive (Inflammatory / Infectious)
 •
Causes of Diffuse ... Lymphadenopathy #LAD ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... • Systemic Lupus ... Lymphadenopathy #LAD ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Complement: Post-strep GN ... , Lupus Nephritis ... diagnosis #algorithm #rheumatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
-C3 GN • Cast ... Autoantibodies: • WAIHA • CAD ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... Differential #Diagnosis #Oncology
Causes of Localized Lymphadenopathy - Differential Diagnosis Algorithm
Cervical:
 - Anterior
     • Infection
Causes of Localized ... Lymphadenopathy #LAD ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... usually IgG) (e.g. lupus ... disease, Copper and lead ... Extravascular #Causes ... differential #diagnosis #hematology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
) • Systemic lupus ... Anti-dsDNA (in 70% of cases ... seen in 30—70% of cases ... Anti-La/SSB • ... antibodies #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... tract, and often causes ... such as systemic lupus ... retinopathy Lab ... differential #diagnosis #rheumatology
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
spondyloarthropathies, lupus ... If that patient had ... Like in this case ... Joint #Pain #MSK #rheumatology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
activity • ↓ LAP ... -> AML: Blast crises ... #Leukemia #Hematology ... #Oncology #Diagnosis