30 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 ... Drugs (antibiotics ... Sarcoidosis or Lofgren's syndrome ... Differential #Diagnosis #Dermatology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Capitis - Skin ... , Loose anagen syndrome ... Scaling, pustules, crusts ... Examine the entire skin ... Differential #Diagnosis #dermatology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... • Loose anagen syndrome ... - Secondary to Skin ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... ) • Behcet's syndrome ... ulcerative #skinrash #dermatology ... Diagnosis #Algorithm #causes
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Cellulitis: Deep skin ... avoid unnecessary antibiotics ... inappropriate antibiotic ... • Compartment syndrome ... #dermatology #skin
Stevens Johnson Syndrome and Toxic Epidermal Necrolysis - Causative Medications 
and Level of Suspicion 

High Risk:
Antigout:
Stevens Johnson Syndrome ... : allopurinol Antibiotics ... #DrugInduced #Causes ... Epidermal #Necrolysis #Dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Differential #Diagnosis #hematology ... #nonpalpable #dermatology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Systemic and Primary Causes ... == Primary Skin ... Myelodisplastic syndrome ... #generalized #dermatology ... Diagnosis #Algorithm #causes
Nikolsky's Sign in Toxic Epidermal Necrolysis (TEN)

Nikolsky's sign is a clinical dermatological sign which is present
rubbing of the skin ... Stevens-Johnson Syndrome ... syndrome, caused ... Nikolskys #Sign #TEN #Dermatology ... Clinical #SJS #skin
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... • Goodpasture syndrome ... vasculitis #Dermatologic ... Polyangiitis #GPA #dermatology