10 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Lofgren's syndrome Ulcerative ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... thighs RARELY ulcerate ... #Dermatology #SkinRash ... #Clinical
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... - Differential ... #Reactive #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... Haverhill fever caused ... Rash is usually ... comparison #table #differential ... #diagnosis #dermatology
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
stomatitis • Erythema ... Acute necrotizing ulcerative ... #Oral #mouth #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... Well-demarcated erythema ... #Eczematous #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... hyperkeratotic w/ erythema ... Variety #type #clinical ... #photo #foot #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... Maculopapular rash ... Bullae/Blisters • Ulceration ... reticularis Differential
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
forehead, chin - Erythema ... often showing ulceration ... honey-colored crusts ... ; pruritis #dermatology ... #rash #differential
Monkeypox Skin Rash
30 yr F and her 6 yr daughter purchased 2 prairie dogs 10 days
Monkeypox Skin Rash ... dogs 10 days ago (pers ... #Monkeypox #SkinRash ... #clinical #photo ... #dermatology