26 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Nodosum - Mnemonic ... #Nodosum #Mnemonic ... #Causes #Differential ... #Diagnosis #Dermatology
Erythema Nodosum: In this case, E. Nodosum has occured secondary to 
Streptococcal infection.
Photo credit, Josh Fierer,
Erythema Nodosum ... : In this case, ... Nodosum has occured ... Images #Clinical #Dermatology ... #SkinRash #Erythema
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 ... Nodosum - Tender ... Reactive #SkinRash #dermatology ... #Differential # ... Diagnosis #Algorithm #causes
Red Leg - Cellulitis Mimickers
 - Unilateral
     • Contact Dermatitis
• Tinea Pedis ... Acute Gout • Erythema ... Nodosum • ... Arthritis • Erythema ... redleg #diagnosis #differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... nodosum • Tender ... #comparison #table ... #differential # ... diagnosis #dermatology
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
- Differential ... nodosum • Pyoderma ... Polyarthritis nodosum ... • Erythema migrans ... #dermatology #skin
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... Nodosum Common ... malignancies #Erythema ... #Nodosum #Causes ... #Differential #
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 ... Sarcoidosis #dermatology ... #skin #rashes #differential
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Membrane Disorder - Differential ... Blisters - Primary Dermatologic ... pemphigoid • Erythema ... #Differential # ... Diagnosis #Algorithm #causes