9 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... • Rheumatic fever ... Amyloidosis • Eosinophilic ... lesions • Discoid lupus ... #differential #diagnosis
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
brown sputum, fever ... loss; CV, CNS, skin ... Fungal, parasites; Travel ... #differential #diagnosis ... #comparison #table
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Fever (50%), Depression ... Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... signs #symptoms #diagnosis ... #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
NPSLE rare, Malar rash ... Manifestations: Malar rash ... #sle #comparison ... #table #rheumatology ... #diagnosis #management
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... weight loss, and fever ... 3rd Decade Skin ... Differential Diagnosis ... to: Arthritis, Fever
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
symptoms - Headache, fever ... neutrophils and eosinophils ... Cold #Urticaria #diagnosis ... #rheumatology # ... comparison #table
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... shows numerous eosinophils ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
• EGPA: - Eosinophilia ... mucositis - Rash ... such as systemic lupus ... Vasculitis: • Fevers ... vasculitis, and SLE
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... diseases, such as SLE ... , mucositis • Rash ... Polyangiitis): • Eosinophilia ... #Rheumatology