6 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... amoxicillin) Oral ... Lofgren's syndrome Ulcerative ... #Differential #Diagnosis ... #Dermatology #SkinRash
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
the Lower Legs / Feet ... Algorithm Physical ... #Ulcers #ulcerative ... #skinrash #dermatology ... #Algorithm #causes
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
stomatitis • Erythema ... Acute necrotizing ulcerative ... #mouth #SkinRash ... #Diagnosis #Algorithm ... #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
vesicles on hands/feet ... Well-demarcated erythema ... #Eczematous #SkinRash ... #Diagnosis #Algorithm ... #causes
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
chronic scaly feet ... Diagnosis? ... dermatophytes cause ... hyperkeratotic w/ erythema ... fail requiring oral
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
often showing ulceration ... honey-colored crusts ... breasts, vagina, oral ... Dermatophytosis - Feet ... #differential #diagnosis