22 results
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Skin Ulcers of the ... Lower Legs / Feet ... - Differential ... ulcerative #skinrash ... #dermatology #Differential
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Oral Skin Ulcers ... - Differential ... stomatitis • Erythema ... #Oral #mouth #SkinRash ... #dermatology #Differential
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
and Neck Skin Ulcers ... - Differential ... #Head #Neck #Ulcers ... #ulcerative #skinrash ... #dermatology #Differential
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... - Differential ... painless #genitals #Ulcers ... #ulcerative #skinrash ... #dermatology #Differential
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Usually on lower legs ... veins, venous ulcers ... Well-demarcated erythema ... #Eczematous #SkinRash ... #dermatology #Differential
Trunk / Sacral Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic
 • Squamous cell carcinoma
 • Basal cell
/ Sacral Skin Ulcers ... - Differential ... Trunk #Sacral #SkinRash ... #dermatology #Differential
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... EAC), This is erythema ... trailing scale that lags ... clinical #photo #dermatology ... #skinrash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... healing process) #Erythema ... Diagnosis #Dermatology ... #SkinRash #Clinical
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash - Differential ... lasts <24hrs • Erythema ... nodules on shins • Erythema ... #Reactive #SkinRash ... #dermatology #Differential
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Giardiasis #Erythema ... Mnemonic #Causes #Differential ... #Diagnosis #Dermatology ... #SkinRash