13 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Associated Rheumatic ... : Systemic lupus ... Juvenile Idiopathic Arthritis ... lupus erythematosus ... lupus erythematosus
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
lupus erythematosus ... Juvenile Idiopathic Arthritis ... lupus erythematosus ... Arthritis, Sjögren ... Juvenile Idiopathic Arthritis
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Arteritis (GCA) ... , Takayasu's arteritis ... , Cogan's Syndrome ... Arthritis (RA), ... Systemic lupus
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Manifestations: - Arthritis ... : - ANA 95-100% ... Diagnosis and Lupus ... #Lupus #Erythematosus
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... , inflammatory arthritis ... arthritis, adult-onset ... Arthritis: • ... Symptoms limited to: Arthritis
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
Lupus Erythematosus ... Clinical Domains ... • Arthritis domain ... least 2 joints • Neurologic ... #Lupus #Erythematosus
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
juvenile idiopathic arthritis ... • Systemic lupus ... idiopathic arthritis ... lupus erythematosus ... Diagnosis #Management #Hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often causes arthritis ... Glomerulonephritis, arthritis ... mucositis - Rash, arthritis ... rheumatic diseases ... lupus erythematosus
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
arthritis - Gram ... lupus erythematosus ... of Inflammatory Arthritis ... arthritis (RA) ... #Disease #Rheumatoid
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
et diutinum Neurologic ... (-) hemolytic anemia ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... #Diagnosis #Oncology