RT Book, Section A1 Chan, Roy A1 Chio, Martin A1 Yeo, Benson A2 Kang, Sewon A2 Goh, Chee Leok A2 Kim, Noori A2 Kwatra, Shawn G. SR Print(0) ID 1200081490 T1 Syphilis T2 Fitzpatrick’s Therapeutics: A Clinician’s Guide to Dermatologic Treatment YR 2023 FD 2023 PB McGraw-Hill Education PP New York, NY SN 9781264258932 LK dermatology.mhmedical.com/content.aspx?aid=1200081490 RD 2024/04/19 AB Syphilis is a sexually transmitted infection caused by Treponema pallidum. With the exception of mother-to-child transmission, syphilis is almost exclusively spread by direct contact with infectious lesions. See Table 143-1.