23 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Palpable purpura ... lesions • Discoid lupus ... #differential #diagnosis ... #rheumatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
rash, Vasculitis, Purpura ... pain (20%) Renal disease ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
diseases features ... fluid drainage -> Palpable ... Extra-articular signs ... pathophysiology #signs ... #symptoms #diagnosis
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... ), RA, crystal disease ... spondyloarthropathies, lupus ... #rheumatology # ... approach #workup
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
surfaces of the joints ... • Petechiae, Palpable ... • Petechiae • Palpable ... Differential Diagnosis ... #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
auto-immune, Infectious diseases ... sclerosis, Still's disease ... autoantibodies #signs ... #symptoms #mimickers ... #differential #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... sign of cutaneous ... • Progressive symptoms ... purpura, joint ... #Rheumatology
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
and Symptoms: ... Musculoskeletal: joint ... Scleroderma #SSc #rheumatology ... #diagnosis #signs ... #workup
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
vesicular eruption - Joints ... such as systemic lupus ... Presentation - Systemic Symptoms ... sign of cutaneous ... #rheumatology #
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
or nerve root Symptoms ... of Joint Disease ... #Pain #MSK #rheumatology ... #approach #workup ... #differential #diagnosis