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 ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... or trunk most commonly ... • Most commonly ... comparison #table #differential ... #diagnosis #dermatology
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
stomatitis • Erythema ... Acute necrotizing ulcerative ... #mouth #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
disease or more commonly ... GPA causes disease ... the joints • Oral ... Bullae/Blisters • Ulceration ... reticularis Differential
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... rubrum is most commonly ... fail requiring oral ... #photo #foot #dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Common Dermatological ... often showing ulceration ... breasts, vagina, oral ... ; pruritis #dermatology ... #rash #differential