12 results
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Oral Skin Ulcers ... - Differential ... #mouth #SkinRash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Head and Neck Skin ... Ulcers - Differential ... #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
amoxicillin) Oral ... , EBV, HIV, HepB ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
- Differential ... Painful: • Herpes ... #ulcerative #skinrash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Herpes Zoster C3 Distribution: Dermatomally distributed vesicles, many of which have coalesced, 
in patient with HZV
Herpes Zoster C3 ... in patient with HZV ... #Photo #Dermatology ... #SkinRash #Herpes ... #C3 #Neck #Vesicles
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
- Differential ... Leishmaniasis - Viral - Herpes ... #ulcerative #skinrash ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... livedo reticularis, ulcers ... - Recurrent oral ... genital aphthous ulcers ... retinopathy Lab Tests
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... • Drugs: Oral ... disease • Pull test ... Initial Laboratory Tests ... #Diagnosis #dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Well-circumscribed roundish-oval ... patches on the face, neck ... include: infections (HSV ... comparison #table #differential ... #diagnosis #dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... muscle weakness • Nerves ... HTN • Check: HBV ... tract, and often causes ... syndrome: Recurrent oral