13 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Lofgren's syndrome Ulcerative ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Diagnosis Algorithm ... #Neck #Ulcers #ulcerative ... #skinrash #dermatology ... #Differential # ... #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Skin Ulcers - Differential ... Diagnosis Algorithm ... genitals #Ulcers #ulcerative ... #skinrash #dermatology ... #causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Legs / Feet - Differential ... Diagnosis Algorithm ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... #causes
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum - Causes ... and Differential ... thighs RARELY ulcerate ... #Differential Diagnosis ... #Dermatology #SkinRash
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Diagnosis Algorithm ... • Factitious disorder ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology ... #causes
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Mucous Membrane Disorder ... - Differential ... Diagnosis Algorithm ... bowel disease (ulcerative ... #causes
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
Basophilia - Differential ... Diagnosis Framework ... Myeloproliferative Disorders ... Reactions: • Ulcerative ... #Diagnosis #causes
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Diagnosis Algorithm ... Acute necrotizing ulcerative ... #Oral #mouth #SkinRash ... #dermatology #Differential ... #causes
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
bouts of HTN Diagnostic ... Transverse Myelitis Diagnosis ... tested and if negative ... • Infectious causes ... management #neurology #differential