15 results
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... Nodosum has occured ... Images #Clinical #Dermatology ... #SkinRash #Erythema ... #ENodosum #Photo
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Nodosum - Mnemonic ... Sarcoidosis or Lofgren's syndrome ... #Nodosum #Mnemonic ... #Causes #Differential ... #SkinRash
Erythema Nodosum - Causes and Differential Diagnosis 
Appearance:  erythematous painful lumps usually 1-6 cm in
Erythema Nodosum ... - Causes and Differential ... #Nodosum #Causes ... #Differential Diagnosis ... #Dermatology #SkinRash
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash - Differential ... lasts <24hrs • Erythema ... Nodosum - Tender ... #Reactive #SkinRash ... #dermatology #Differential
Dermatologic Extraintestinal Manifestations in IBD - IBD Algorithm

Erythema Nodosum
Pyoderma Gangrenosum
Metastatic Crohn's Disease
Sweet Syndrome
EBA

Dr. Wade Billings @wabillin

#Dermatologic
IBD Algorithm Erythema ... Nodosum Pyoderma ... Disease Sweet Syndrome ... gastroenterology #management #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Dermatomyositis Erythema ... Lyme disease Erythema ... nodosum • Sarcoidosis ... Antiphospholipid-antibody syndrome ... #skin #rashes #differential
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Pseudocellulitis - Differential ... nodosum • Pyoderma ... Polyarthritis nodosum ... • Erythema migrans ... • Compartment syndrome
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin - Differential ... vasculitis • Erythema ... polyarteritis nodosa ... Polyarteritis nodosa ... Disease • Cogan syndrome
Behcet's Syndrome - Diagnosis
Diagnostic Criteria for Behget's Syndrome (International Study Group for Behget's Disease):
 • Recurrent,
Behcet's Syndrome ... Criteria for Behget's Syndrome ... pseudofolliculitis, erythema ... nodosum) • Ocular ... Diagnosis #criteria #rheumatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythemas Summarized ... Erythema ab igne ... nodosum • Tender ... comparison #table #differential ... #diagnosis #dermatology