20 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... Giardiasis #Erythema ... #Differential #Diagnosis ... #Dermatology #SkinRash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... Diagnosis Appearance ... #Nodosum #Causes ... #Dermatology #SkinRash
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... curious is eating blue ... Most cases are idiopathic ... clinical #photo #dermatology ... #skinrash
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
- Differential Diagnosis ... lasts <24hrs • Erythema ... #Reactive #SkinRash ... #dermatology #Differential ... #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... deficiency • Liver ... reactions • Erythema ... #hematology #rheumatology ... #nonpalpable #dermatology
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
- Differential Diagnosis ... hepatorenal syndrome Clues ... gynecomastia, and palmar erythema ... sarcoidosis) • Liver ... #causes #hepatology
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
- Differential Diagnosis ... Well-demarcated erythema ... #Eczematous #SkinRash ... #dermatology #Differential ... #causes
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
malnutrition) Blue ... discoloration) • Liver ... Systemic #Secondary #dermatology ... #Differential #Diagnosis ... #Algorithm #causes
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
- Differential Diagnosis ... stomatitis • Erythema ... #Oral #mouth #SkinRash ... #dermatology #Differential ... #causes
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Causes: - Idiopathic ... , breast CA - Hematologic ... Treatment: - Systemic ... Sweet #Syndrome #diagnosis ... #dermatology #oncology