11 results
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
rash, Vasculitis, Purpura ... ) Blood (75%): Anemia ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... anemia): ... thrombocytopenic purpura ... usually IgG) (e.g. lupus ... #hematology #anemia
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Lymphadenopathies 7% - Hemolytic ... anemia 4% - Myositis ... autoantibodies #signs ... #symptoms #mimickers ... #differential #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Diagnosis Framework ... DIC/TTP/HUS - Hemolytic ... anemia - Splenomegaly ... - CTD (SLE) ... #hematology #rheumatology
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
thrombocytopenia) - SLE ... (systemic lupus ... Non-immune - Haemolytic ... , SLE - Scurvy ... peds #pediatrics #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Differential Diagnosis ... lymphopenia, low PLT • Anemia ... : • Symptoms limited ... #Rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
SJIA], systemic lupus ... erythematosus [SLE ... with leukopenia, anemia ... #Diagnosis #Management ... #Hematology #Rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
lesions, palpable purpura ... Oral aphthae : SLE ... • Arthritis: SLE ... #signs #symptoms ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
such as systemic lupus ... Presentation - Systemic Symptoms ... : strong sign of ... vasculitis, and SLE ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... Presentation: Systemic Symptoms ... : Strong sign of ... • Progressive symptoms ... #Rheumatology