38 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Sarcoidosis or Lofgren's syndrome ... Giardiasis #Erythema ... #Differential #Diagnosis ... #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
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
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
- Differential Diagnosis ... lasts <24hrs • Erythema ... #Reactive #SkinRash ... #dermatology #Differential ... #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
- Differential Diagnosis ... ) • Behcet's syndrome ... Ulcers #ulcerative #skinrash ... #dermatology #Differential ... #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... reactions • Erythema ... #hematology #rheumatology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... old, ~10,000 new cases ... only curative treatment ... #Management #treatment ... #hematology #oncology
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Angioedema • Sweet syndrome ... Acute bursitis • Erythema ... Polyarthritis nodosum • Erythema ... • Compartment syndrome ... #dermatology #skin
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
- Differential Diagnosis ... pemphigoid • Erythema ... Stevens-Johnson Syndrome ... • Behcet's syndrome ... #Algorithm #causes
Sweet Syndrome

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