36 results
Secondary Disseminated Syphilis

Case from my residency that @EstradaElJefe helped me publish in JGIM. One important finding
Secondary Disseminated ... Syphilis Case ... #Secondary #Disseminated ... #Dermatology #Clinical ... #Photo #SkinRash
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
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
- Differential Diagnosis ... acuminata) • Secondary ... Syphilis (condyloma ... #skinlesions #dermatology ... #Algorithm #causes
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
- Differential diagnosis ... : secondary syphilis ... rosea #clinical #dermatology ... #photo #PhysicalExam
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
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis ... resembling rashes caused ... #Rash #Diagnosis ... #Clinical #Photo ... #Dermatology
Secondary Syphilis - Rash on Palms and Soles 
41ys, seen in our ED b/c of 20
Secondary Syphilis ... in 80% of cases ... #clinical #photo ... #dermatology #Palms ... #Soles #dermatology
Fever and Rash - Differential Diagnosis Framework
 • Viral: Measles, Infectious Mono (EBV, CMV), Acute HIV,
- Differential Diagnosis ... Meningococcal meningitis, Secondary ... syphilis, Disseminated ... , DRESS, Sweet syndrome ... #dermatology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential Diagnosis ... Myelodysplastic syndrome ... #Causes #hematology ... #secondary
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... leakage of RBC's secondary ... Kasabach-Merritt syndrome ... #hematology #rheumatology ... #nonpalpable #dermatology