9 results
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Arthritis 69% - Malar ... - Hemolytic anemia ... auto-immune, Infectious diseases ... sclerosis, Still's disease ... #differential #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Microangiopathic hemolytic anemia ... usually IgG) (e.g. lupus ... • Infections: Malaria ... differential #diagnosis #hematology ... #anemia
THE LIMPING OR NON-WEIGHT BEARING CHILD PATHWAY

RED FLAGS - In all cases there are specific
markers which
suspicion of severe disease ... and these should ... sweats, pallor, bruising ... Rheumatology ... Pathway #Child #Peds
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Non-autoimmune rheumatologic ... Photosensitivity • Malar ... lymphopenia, low PLT • Anemia ... Erythematosus #Diagnosis #Rheumatology
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
Purpura or Easy Bruising ... SLE (systemic lupus ... Congenital heart disease ... - Bernard—Soulier ... #Causes #peds #
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
Bleeding and Bruising ... inhibitor and lupus ... Willebrand syndrome • Lupus ... of factor VII should ... #Bleeding #Bruising
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
• Systemic lupus ... manifestations: from easy bruising ... SJIA], systemic lupus ... with leukopenia, anemia ... #Rheumatology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Heavy Chain disease ... (-) hemolytic anemia ... to cold IgG • Lupus ... Sneddon-Wilkinson disease ... Paraproteinemias #Hematology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... joint • Systemic lupus ... ANAs RF test should ... the presence of anemia ... diagnosis #testing #Rheumatology