17 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
erythematosus (SLE ... erythematosus (SLE ... Kumfer @AnnKumfer #Antinuclear ... ANA #patterns #rheumatology ... #diagnosis #differential
Thrombotic Microangiopathy - TTP VS HUS

Big picture points : Often hard to differentiate the two entities,
Often hard to differentiate ... Microangiopathy #thrombocytopenic ... #purpura #TTP # ... #Comparison #Diagnosis ... #Table #Hematology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... Lupusreference #Antinuclear ... erythematosus #diagnosis ... #rheumatology # ... table #ANA
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... #Differential # ... Diagnosis #hematology ... #rheumatology #
Thrombotic Microangiopathies - Primary Thrombotic Microangiopathy (TMA) - Differential Diagnosis Table

 • Thrombotic Thrombocytopenic Purpura (TTP)
Diagnosis Table ... • Thrombotic Thrombocytopenic ... Purpura (TTP) ... #differential # ... diagnosis #HUS
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
rash, Vasculitis, Purpura ... Leucopenia/lymphopenia, Thrombocytopenia ... #Lupus #SLE #systemic ... signs #symptoms #diagnosis ... #rheumatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Complement: Post-strep GN ... , Lupus Nephritis ... Henoch-SchonIein Purpura ... #diagnosis #algorithm ... #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Neurological 12% - Thrombocytopenia ... involvement 3% SLE-Related ... Diagnosis and Lupus ... Lupusreference #SLE ... #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
disease Palpable purpura ... Henoch Schönlein purpura ... lesions • Discoid lupus ... #skin #rashes #differential ... #diagnosis #rheumatology
Causes of Purpura or Easy Bruising in Children

Platelet count reduced, i.e. thrombocytopenia
 - Increased platelet destruction
) - SLE ( ... systemic lupus erythematosus ... , SLE - Scurvy ... peds #pediatrics #diagnosis ... #differential #