8 results
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... on hands and feet ... Burrows between fingers ... #Differential #Diagnosis ... #Dermatology
Ecthyma Gangrenosum: skin infection associated with Pseudomonas bacteremia. 
Photo credit, Josh Fierer, M.D.

Charlie Goldberg, M.D. -
Ecthyma Gangrenosum: skin ... Fierer, M.D. ... Images #Clinical #Dermatology ... #Cellulitis #Ecthyma ... #UCSDH
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
soles, sides of fingers ... pruritus (e.g., fingers ... ; pruritis #dermatology ... #rash #differential ... #diagnosis #skin
Scleroderma Like Conditions - Differential Diagnosis
Eosinophilic Fasciitis:
 - Orange peel induration (peau d'orange) of proximal extremities
Like Conditions - Differential ... Diagnosis Eosinophilic ... with sparing of hands ... #Diagnosis #comparison ... #table #dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
on the back of hands ... neonatorum • Pustular ... Erythemas #comparison #table ... #differential # ... diagnosis #dermatology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Diagnosis Framework ... Infectious: Dissecting cellulitis ... • Scaling, pustules ... #Diagnosis #dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... Diagnosis: • Systemic ... occasional oligoclonal bands ... cutaneous vesicles, pustules
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Autoimmune Myositis - Differential ... ) • Anti-Mi2 (skin ... flexors, quadriceps, finger ... • Mechanic's hands ... #rheumatology #differential