In this episode, we discuss the varying kinds of lesions associated with syphilis - some only associated with syphilis (in 1926). 

Classification and Staging of Morgellons Disease: Lessons from Syphilis https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7012249/

Middelveen MJ, Martinez RM, Fesler MC, et al. Classification and Staging of Morgellons Disease: Lessons from Syphilis. Clin Cosmet Investig Dermatol. 2020;13:145-164. Published 2020 Feb 7. doi:10.2147/CCID.S239840

Episode image https://commons.wikimedia.org/wiki/File:Syphilis;_lesions_on_right_calf,_1905_Wellcome_V0010352EL.jpg