Penicillin in Treatment of Simultaneous Infections of Syphilis and Gonorrhea

Re-appraising the effect on incubating syphilis of treatment for gonorrhoea.

“…Many opinions were expressed about the length of follow-up necessary to protect against the risk that masked syphilis might pass unnoticed. Canizares (1944) advised that blood tests should be continued at intervals for 1 year 'and preferably longer'. Lydon and Cowe (1945) thought that surveillance for 2 years was necessary; Allan (1946) recommended blood tests for 12 months.…”

The Masking or Delay in the Development of Syphilis after Penicillin Therapy for Gonorrh A

“…humans. They, like other workers, found that Canizares (1944) describes one case of within 12 to 18 hours of the administration gonorrhoea treated with 50,000 units of peniof penicillin no treponemata could be found cillin. A papular lesion present on the penis in any of the superficial lesions.…”

Solitary Papular Lesions on the Penis in Insufficiently Treated early Syphilis

“…In recent literature on atypical primary syphilis, papular lesions are not mentioned [3,8,10,12], In the older literature, however, one can find descriptions of localized papular lesions in cases of early syphilis [1] and sometimes in cases of syphilitic reinfection [2,11].…”