11 results
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 secondary ... Streptococcal infection ... #Dermatology #SkinRash
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Most cases are idiopathic ... associations with infections ... Centrifugum #EAC #clinical ... #photo #dermatology ... #skinrash
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... Secondary to venous ... Well-demarcated erythema ... #Eczematous #SkinRash ... #dermatology #Differential
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... treatment, the infection ... resembling rashes caused ... #Clinical #Photo ... #Dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... in primary or secondary ... - Trauma - Infection ... Diagnosis #Algorithm #Causes ... #dermatology #physicalexam
Erythema Ab Igne on Physical Exam

Erythema ab igne (EAI) is a skin reaction caused by chronic
skin reaction caused ... #Igne #AbIgne #PhysicalExam ... #clinical #video ... #skin #dermatology ... #rash
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
- Rash on Palms ... present in 80% of cases ... #Syphilis #Rash ... #clinical #photo ... #physicalexam
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... dermatophytes cause ... Indiana University Infectious ... Variety #type #clinical ... #photo #foot #dermatology
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
Malignancy • Infections ... Cryofibrinogenemia Clinical ... Painful or pruritic erythema ... Diagnosis: • + Clinical ... cryoglobulins • Negative causes
Illustrative example of a patient with acrodermatitis chronica atrophicans. 

Acrodermatitis chronica atrophicans is a late skin
after initial infection ... of a preceding erythema ... Lyme Borrelia may cause ... #Clinical #Dermatology ... #Rash #LymeDisease