80 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Mnemonic NO cause ... Sarcoidosis or Lofgren's syndrome ... Ulcerative Colitis ... Differential #Diagnosis #Dermatology ... #SkinRash
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Differential Diagnosis Algorithm ... ) • Behcet's syndrome ... genitals #Ulcers #ulcerative ... #skinrash #dermatology ... #causes
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Differential Diagnosis Algorithm ... #Neck #Ulcers #ulcerative ... #skinrash #dermatology ... Differential #Diagnosis #Algorithm ... #causes
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Differential Diagnosis Algorithm ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... Differential #Diagnosis #Algorithm ... #causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Differential Diagnosis Algorithm ... • Bleomycin Hematologic ... Cryptococcosis #Ulcers #ulcerative ... #skinrash #dermatology ... #causes
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Erb's Palsy is caused ... hand" ± Horner Syndrome ... Carpal Tunnel Syndrome ... - Causes paraesthesia ... sensory #motor #arm #physicalexam
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum - Causes ... thighs RARELY ulcerate ... Erythema #Nodosum #Causes ... Differential Diagnosis #Dermatology ... #SkinRash #Clinical
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Differential Diagnosis Algorithm ... Stevens-Johnson Syndrome ... bowel disease (ulcerative ... • Behcet's syndrome ... #causes
Trunk / Sacral Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic
 • Squamous cell carcinoma
 • Basal cell
Differential Diagnosis Algorithm ... Trunk #Sacral #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm ... #causes
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Hemorrhagic bullae, Ulceration ... Urticaria • Medium ... racemosa, Digital ulceration ... elevatum diutinum Medium ... Disease • Cogan syndrome