24 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Drugs (antibiotics e.g ... Lofgren's syndrome Ulcerative ... Giardiasis #Erythema ... Differential #Diagnosis #Dermatology
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Head and Neck Skin ... Differential Diagnosis Algorithm ... #Neck #Ulcers #ulcerative ... #skinrash #dermatology ... #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... Differential Diagnosis Algorithm ... genitals #Ulcers #ulcerative ... #skinrash #dermatology ... #causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Skin Ulcers of the ... Differential Diagnosis Algorithm ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... #causes
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... Differential Diagnosis Algorithm ... lasts <24hrs • Erythema ... Reactive #SkinRash #dermatology ... #causes
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Differential Diagnosis Algorithm ... pemphigoid • Erythema ... bowel disease (ulcerative ... MucousMembranes #dermatology ... #causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... • Bleomycin Hematologic ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology ... #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... foods, stress, etc ... • A chronic skin ... #comparison #table ... differential #diagnosis #dermatology
Physiologic Skin Changes in Pregnancy - Differential Diagnosis Algorithm

Face
 • Melasma
Abdomen
 • Linea Nigra 
Hormone induced
Differential Diagnosis Algorithm ... • Palmar erythema ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Disorders Testing Algorithm ... glucocorticoid treatment ... signs or symptoms (eg ... , skin or esophageal ... Differential #diagnosis #hematology