735 results
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Diagnosis Algorithm ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Trunk / Sacral Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic
 • Squamous cell carcinoma
 • Basal cell
Diagnosis Algorithm ... Trunk #Sacral #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Diagnosis Algorithm ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Diagnosis Algorithm ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Diagnosis Algorithm ... #Reactive #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Diagnosis Algorithm ... Vascular #Vasculitis #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Diagnosis Algorithm ... Vesiculobullous #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
Hyperpigmentation Differentials ... -6011359#5 #diagnosis ... #differential # ... symptoms #signs #dermatology ... #skin #skinrash
Nail Disorders - Primary and Systemic Causes - Differential Diagnosis Algorithm

#NailDisorders #Primary #Secondary #Systemic #dermatology #Differential
- Differential ... Diagnosis Algorithm ... Secondary #Systemic #dermatology ... Diagnosis #Algorithm ... #causes