52 results
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
www.medscape.com/slideshow/dermatology-mnemonics ... -6011359#5 #diagnosis ... #differential #symptoms ... #signs #dermatology ... #skin #skinrash
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... ) • Behcet's syndrome ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm
Trunk / Sacral Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic
 • Squamous cell carcinoma
 • Basal cell
Trunk / Sacral Skin ... Algorithm Neoplastic ... Trunk #Sacral #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Head and Neck Skin ... Algorithm Neoplastic ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Algorithm DIFFUSE ... • Loose anagen syndrome ... - Secondary to Skin ... #dermatology #Differential ... #Diagnosis #Algorithm
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Diagnosis Framework ... Capitis - Skin ... , Loose anagen syndrome ... Examination: • Signs ... #dermatology #Hairloss
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Differential Diagnosis ... Vascular #Vasculitis #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Skin Ulcers of the ... Algorithm Physical ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... Algorithm Reactive ... #Reactive #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... • Bleomycin Hematologic ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #Diagnosis #Algorithm