12 results
Secondary Disseminated Syphilis

Case from my residency that @EstradaElJefe helped me publish in JGIM. One important finding
Case from my ... is the patchy alopecia ... #Disseminated #Dermatology ... #Clinical #Photo ... #SkinRash #Alopecia
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 ... Psittacosis, Bartonella, Syphilis ... Giardiasis #Erythema ... 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, ... Photo credit, Josh ... Images #Clinical #Dermatology ... #ENodosum #Photo
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Hair Loss (Alopecia ... • Androgenetic alopecia ... • Secondary syphilis ... #dermatology #Differential ... Diagnosis #Algorithm #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
: • Scarring Alopecia ... , Traction alopecia ... Scaling, pustules, crusts ... , erosions, or erythema ... Differential #Diagnosis #dermatology
Erythema Annulare Centrifugum (EAC),
This is erythema annulare centrifugum (EAC), one of the “figurate erythemas.” These lesions
Erythema Annulare ... EAC), This is erythema ... Most cases are idiopathic ... EAC #clinical #photo ... #dermatology #skinrash
Focal / Localized Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 - Infectious
Localized Hair Loss (Alopecia ... Brocq • Alopecia ... • Secondary syphilis ... Focal #Localized #dermatology ... Diagnosis #Algorithm #causes
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis ... Rash Secondary syphilis ... resembling rashes caused ... Diagnosis #Clinical #Photo ... #Dermatology
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
Secondary Syphilis ... present in 80% of cases ... Rash #clinical #photo ... #dermatology #Palms ... #Soles #dermatology
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
dermatophytes cause ... hyperkeratotic w/ erythema ... demarcation line of erythema ... type #clinical #photo ... #foot #dermatology