8 results
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
distribution: - Psoriasis ... #Macular #Macules ... #Papules #Rash ... #Algorithm #Diagnosis ... #Dermatology #Skin
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... Diagnosis Algorithm ... possibly with macules ... Diagnosis #Algorithm ... #causes
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... lesions • Discoid ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
acquired dermal macular ... classic targetoid lesions ... comparison #table #differential ... #diagnosis #dermatology ... #compared
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... • Maculopapular ... overlying purpuric macules ... #rash #diagnosis ... #rheumatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
- Chalk-white macules ... or red-brown macule ... from erythematous macules ... #rash #differential ... #diagnosis #skin
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Nodosa: • PAN most commonly ... , mucositis • Rash ... tract, and often causes ... lesions (red macules ... #Diagnosis #Rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Inflammatory Myopathies: Commonly ... ) • Anti-Mi2 (skin ... lesions) • Anti-TIF1 ... Symptoms: • Gottron rash ... statins - probably caused