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

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Nodosum - Mnemonic ... Giardiasis #Erythema ... #Causes #Differential ... #Dermatology #SkinRash
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Centrifugum (EAC ... annulare centrifugum ... 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 ... #Nodosum #Causes ... #Dermatology #SkinRash ... #Clinical
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash - Differential ... lasts <24hrs • Erythema ... Nodosum - Tender ... #Reactive #SkinRash ... Diagnosis #Algorithm #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • ... potential inciting causes ... Haverhill fever caused ... nodosum • Tender ... comparison #table #differential
Causes of Erythema Nodosum
Common
 - Idiopathic (up to 55 percent)
 - Infections: streptococcal pharyngitis (28 to
Causes of Erythema ... malignancies #Erythema ... #Nodosum #Causes ... #Differential # ... Diagnosis #Clinical
Erythroderma: Marked inflammation and scaling which can result from a variety of medical conditions.
In this case,
In this case, associated ... The erythema is ... Images #Clinical ... #Dermatology #SkinRash ... MycosisFungoides #Photo
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
of about three cases ... Hodgkin Lymphoma - Clinical ... • Pruritis • Erythema ... nodosum • Immune ... Immunohistochemical studies (to differentiate