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| | Nodular secondary syphilis |
 | | Syphilis is an infectious disease caused by Treponema pallidum (ssp.pallidum), a microaerophilic spirochete that is pathogenic only to humans.[1] Clinically, it is characterized by the primary, secondary, latent, and tertiary stages and continues to be a formidable opponent to the clinician. |
 | | Over 95 percent of the eruptions are macular, maculopapular, or papular lesions that may evolve to become annular, papulosquamous, lenticular, corymbose, or a mixture of these.[1] Nodular and pustular eruptions occur infrequently.[1,2] Mucous membrane lesions are extremely infectious and include condyloma lata, mucous patches and pharyngitis. |
 | | Nodular syphilis is an uncommon manifestation of secondary syphilis and may go unrecognized. |
| dermatology.cdlib.org /91/case_reports/syphilis/thappa.html (963 words) |
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