15 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANA ≠ Autoimmune ... Juvenile Idiopathic Arthritis ... Thyroid, Autoimmune ... #rheumatology # ... diagnosis #differential
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
Hand - Arthritis ... Patterns Osteoarthritis ... nodes - DIP • XRAY ... #patterns #hand ... #diagnosis #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... Juvenile Idiopathic Arthritis ... Antibodies #ANA #patterns ... #rheumatology # ... diagnosis #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... • Is there a pattern ... an asymmetric pattern ... Joint #pain #Differential ... Diagnosis #MSK #rheumatology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
: Subacute • Pattern ... exclusion Necrotizing Autoimmune ... : Proximal and distal ... Inflammatory #Myopathies #differential ... diagnosis #comparison #rheumatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... Therefore, the hand ... diagnosed ON THE X-RAY ... Differential diagnosis ... diagnosis #msk #rheumatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash - Differential ... Christmas tree pattern ... scaling papules and ... Papulosquamous #SkinRash ... #dermatology #Differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... disease • Non-autoimmune ... Malignancy (e.g. hematologic ... deficiencies • Autoimmune ... vein thrombosis Hematologic
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... often causes arthritis ... - (C-ANCA) pattern ... - (P-ANCA) pattern ... #diagnosis #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
reticularis Differential ... • Giant cell arteritis ... with a certain pattern ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology