18 results
Autoimmune Myositis
Necrotizing myopathy is associated with higher CK levels, greater level of muscle weakness, less systemic
Autoimmune Myositis ... , holster sign, ... anti-synthetase syndrome ... #Myositis #diagnosis ... #rheumatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
) - MSK Radiology ... mass and NO prior signs ... - **MSK rads ... Differential diagnosis ... #msk #rheumatology
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
heliotrope, shawl sign ... exclusion Necrotizing Autoimmune ... Myositis • Onset ... Inclusion Body Myositis ... #comparison #rheumatology
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
Multi-system autoimmune ... skin thickening Signs ... acro-osteolysis, myositis ... Scleroderma #SSc #rheumatology ... #diagnosis #signs
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Demyelinating syndromes ... Glomerulonephritis Myositis ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Idiopathic Inflammatory Myopathies (IIM's)

RASH + MUSCLE WEAKNESS → Consider idiopathic inflammatory myopathies (IIM's)

 • Overlap Myositis
• Overlap Myositis ... features of another autoimmune ... antisynthetase syndrome ... Myopathies #IIMs #diagnosis ... #rheumatology #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... noninflammatory Signs ... Crystal induced (Gout ... Rheumatologic Disease ... #MSK #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
SLE), Sjogren's Syndrome ... Arthritis, Sjögren Syndrome ... , Myositis, Mixed ... ANA #patterns #rheumatology ... #diagnosis #differential
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
) is an autoimmune-mediated ... neuritis • Partial myelitis ... • Or brainstem syndromes ... Multiple Sclerosis Diagnosis ... lesions) McDonald diagnostic
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
axial skeleton-sacroiliac ... • Rule out other ... #Rheumatology # ... diagnosis #management ... #Dermatology