42 results
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Sarcoidosis or Lofgren's syndrome ... Psittacosis, Bartonella, Syphilis ... #Differential #Diagnosis ... #Dermatology #SkinRash
Secondary Disseminated Syphilis

Case from my residency that @EstradaElJefe helped me publish in JGIM. One important finding
Secondary Disseminated Syphilis ... Case from my ... /ReafordRJ #Syphilis ... #Disseminated #Dermatology ... #Clinical #Photo
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
Christmas Tree Rash ... - Differential diagnosis ... : secondary syphilis ... rosea #clinical #dermatology ... #photo #PhysicalExam
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
Fever and Rash - ... Differential Diagnosis ... meningitis, Secondary syphilis ... SCVMCMed #Fever #Rash ... #dermatology
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Rash Secondary ... resembling rashes caused ... #Rash #Diagnosis ... #Clinical #Photo ... #Dermatology
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
- Differential Diagnosis ... ) • Behcet's syndrome ... Painless: • Primary syphilis ... ulcerative #skinrash #dermatology ... #Algorithm #causes
Syphilis Clinical Findings - Chancre and Characteristic Rash
A: Syphilitic chancre with a clean, painless base and
Characteristic Rash ... clean, painless base ... #photo #chancre ... #palms #soles #rash ... #dermatology
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
- Rash on Palms ... present in 80% of cases ... #Rash #clinical ... #photo #dermatology ... #Palms #Soles #dermatology
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
- Differential Diagnosis ... • Secondary Syphilis ... ) • Reiter's syndrome ... #skinlesions #dermatology ... #Algorithm #causes
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Stevens-Johnson Syndrome ... meningococcaemia - Syphilis ... Macules #Papules #Rash ... #Algorithm #Diagnosis ... #Dermatology #Skin