25 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Associated Rheumatic Diseases ... connective tissue disease ... , Drug-induced Lupus ... ANA #patterns #rheumatology ... #diagnosis #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
systemic sclerosis/scleroderma ... systemic sclerosis/scleroderma ... Sclerosis (scleroderma ... ANA #patterns #rheumatology ... #diagnosis #differential
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
- Hemolytic anemia ... (aPL) 30-45% Differential ... sclerosis, Still's disease ... autoantibodies #signs ... #rheumatology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... Congenital Diseases ... deficiency • Fanconi’s anemia ... : • Systemic lupus ... #Diagnosis #Hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Telangiectasia • Scleroderma ... Thickened skin • Scleroderma ... lesions • Discoid lupus ... #skin #rashes #differential ... #diagnosis #rheumatology
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Non-Infectious: • Rheumatologic ... Sjogren Syndrome, Scleroderma ... , Takayasu Disease ... • Metabolic: Uremia ... Diagnosis #Causes #cardiology
Causes of Pericarditis - Differential Diagnosis Algorithm
Viral:
 • Coxsackie
 • Echovirus
 • Adenovirus
 • Epstein-Barr virus
Pericarditis - Differential ... arthritis • Systemic lupus ... erythematosus • Scleroderma ... connective tissue disease ... Algorithm #Causes #Cardiology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... pain (20%) Renal disease ... ) Blood (75%): Anemia ... erythematosus #signs ... symptoms #diagnosis #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Microangiopathic hemolytic anemia ... usually IgG) (e.g. lupus ... Extravascular #Causes #differential ... #diagnosis #hematology ... #anemia
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
adenopathy ('1-2-3-sign ... postirradiation Hodgkin disease ... blastomycosis and scleroderma ... #Diagnosis #Radiology ... Lymphadenopathy #Differential