[Chancriform pyoderma as a clinical problem: observation of 45 patients treated at the Dermatology Clinic, Medical Academy, in Cracow 1962-1986].

A clinical, bacteriological and serological pictures of 45 patients with chancriform pyoderma are presented, A single ulcer (92.8%), localized on genitals (91.1%) in adult males (93.3%), imitating or very similar to syphilitic primary chancre in our material was observed. A second case in the literature, of chancriform pyoderma on the dorsal surface of the tongue was recorded.