9 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Pain Rash ... vasculitis • Henoch Schönlein ... Sarcoidosis • GPA ... lesions • Discoid lupus ... #differential #diagnosis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: ... Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... #erythematosus # ... signs #symptoms #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... 3rd Decade Skin ... rashErythematous ... Differential Diagnosis ... Arthritis: • Joint
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... arthritis - with the skin ... Erythematosus ( ... SLE), should have ... like “butterfly rash
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
surfaces of the joints ... Maculopapular rash ... Differential Diagnosis ... • Henoch-Schönlein ... #dermatology #rash
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
> PR3 60% • GPA ... present • Henoch Schonlein ... vesicular eruption - Joints ... mucositis - Rash ... vasculitis, and SLE
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... Diagnosis? ... . pruritic, erythematous ... skin of inflamed ... type #clinical #photo
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Purpura - Skin ... Labs/Diagnosis: ... vasculitis (Henoch-Schönlein ... (e.g. systemic lupus ... erythematosus (
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases, such as SLE ... : Erythematous nodules ... , mucositis • Rash ... MPO > PR3 60/ GPA ... present) Henoch Schonlein