8 results
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Genital Skin Ulcers ... ) • Behcet's syndrome ... Painless: • Primary syphilis ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Secondary Disseminated Syphilis

Case from my residency that @EstradaElJefe helped me publish in JGIM. One important finding
Secondary Disseminated Syphilis ... characteristic of syphilis ... /ReafordRJ #Syphilis ... #Clinical #Photo ... #SkinRash #Alopecia
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
Genital Lesions ... - Differential Diagnosis ... • Secondary Syphilis ... Painless • Primary syphilis ... #skinlesions #dermatology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Mycosis fungoides (cutaneous ... Tabes dorsalis (syphilis ... Tuberculosis • Syphilis ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Sarcoidosis or Lofgren's syndrome ... Psittacosis, Bartonella, Syphilis ... #Differential #Diagnosis ... #Dermatology #SkinRash
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis ... Rash Secondary syphilis ... #Rash #Diagnosis ... #Clinical #Photo ... #Dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
silvery scale on elbows ... wrists/ankles/genitals ... • Secondary Syphilis ... Papulosquamous #SkinRash ... #dermatology #Differential
Condylomata lata in Secondary Syphilis
Condylomata lata lesions usually present as gray, raised papules that sometimes appear
lata in Secondary Syphilis ... illnesses other than syphilis ... Syphilis is known ... CondylomataLata #Secondary #Syphilis ... #Clinical #Photo