2863 results
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 ... found in 60% of cases ... Psittacosis, Bartonella, Syphilis ... Nodosum #Mnemonic #Causes
Uveitis - Definition, Causes and SUN Classification

Inflammation of the iris, ciliary body, vitreous, retina and/or choroid
Incidence
- Definition, Causes ... inhabitants 3rd leading cause ... retinal ischemia Causes ... tuberculosis, syphilis ... TerrierBen #Uveitis #Causes
Aortitis - Diagnosis and Workup
Clinical History:
 - Fever, weight loss, deterioration of general health
 - Aortic
depending on the cause ... Infections: Syphilis ... #Differential #Causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Painless: • Primary syphilis ... 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 ... with secondary syphilis ... #Secondary #Syphilis
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Tabes dorsalis (syphilis ... Tuberculosis • Syphilis ... Diagnosis #Algorithm #causes
Genital Lesions - Differential Diagnosis Algorithm
Elevated - Vesicles:
 • Herpes simplex
Elevated - Papules / Plaques -
• Secondary Syphilis ... Painless • Primary syphilis ... Diagnosis #Algorithm #causes
RPR - False Positives
Causes of a false positive RPR that are not syphilis. (False-negative treponemal tests
False Positives Causes ... RPR that are not syphilis ... tests are rare; case ... serologic responses to syphilis ... differential #diagnosis #syphilis
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Tabes dorsalis (syphilis ... Diagnosis #Algorithm #causes
Newer Syphilis Reverse Algorithm 

The advent of newer, faster 
treponemal antibody tests have 
allowed high-throughput of
Newer Syphilis Reverse ... of inflammation caused ... by syphilis but ... #Syphilis #Reverse