22 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Nodosum - Mnemonic ... Lofgren's syndrome Ulcerative ... #Erythema #Nodosum ... #Differential #Diagnosis ... #Dermatology #SkinRash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... Diagnosis Appearance ... thighs RARELY ulcerate ... Diagnosis #Dermatology ... #SkinRash #Clinical
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
- Differential Diagnosis ... genitals #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #Diagnosis ... #Algorithm #causes
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
- Differential Diagnosis ... #Neck #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #Diagnosis ... #Algorithm #causes
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
- Differential Diagnosis ... 24hrs • Erythema Nodosum ... #Reactive #SkinRash ... #dermatology #Differential ... #causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
- Differential Diagnosis ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #Diagnosis ... #Algorithm #causes
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
- Differential Diagnosis ... Imperative to diagnose ... bursitis • Erythema nodosum ... Polyarthritis nodosum ... #dermatology #skin
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
- Differential Diagnosis ... dilated superficial blood ... Vascular #Vasculitis #SkinRash ... #dermatology #Differential ... #causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
- Differential Diagnosis ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential #Diagnosis ... #Algorithm #causes
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
- Differential Diagnosis ... the total white blood ... Reactions: • Ulcerative ... #Differential #Diagnosis ... #causes #hematology