12 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Pain Rash ... Malar rash ... 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
Features of Systemic Lupus ... Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... Pericarditis, Endocarditis ... symptoms #diagnosis #rheumatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
within 1 month of infection ... arthritis - with the skin ... Polyarthritis • Systemic Lupus ... with Systemic Lupus ... like “butterfly rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Trauma - Infection ... Disseminated gonococcal infection ... Schonlein Purpura - Endocarditis ... Autoimmune Vasculitis (lupus ... cryoglobulins • Skin
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
) Inflammatory joint ... everywhere) 2) A rash ... 6) An annular rash ... Unexplained fever, when infection ... erythematosus #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... Non-autoimmune rheumatologic ... Arthritis: • Joint ... arthropathy • 90% joints ... • Libman-Sacks endocarditis
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Bacterial or viral infection ... Subacute bacterial endocarditis ... Scleroderma Thickened skin ... fever - Bacterial endocarditis ... differential #diagnosis #rheumatology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
Capnocytophaga Canimorsus Skin ... to meningitis, endocarditis ... C. canimorsus infection ... Capnocytophaga infection ... #clinical #photo
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... inflammation of the joints ... and pain of the joints ... ’s syndrome - Lupus
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... vesicular eruption - Joints ... mucositis - Rash ... such as systemic lupus ... differential #diagnosis #rheumatology