Abstract
We detected 2 kinds of the spirochete on the ulcerated surface of the prepuce. beneath which was a large round-cell sarcoma of the penis. While I type (Fig. 1) is a flexible spiral 11, 0μ long with 3-7 coarse turns. II type (Fig. 2) reveals an inflexible body 8, 5μ long with 6-15 fine turns. having one minute terminal filament at each end. The spirochete of II type being very closely related to Spirochaeta pallida. the causative agent of syphilis. we on the one hand inoculated materials from the lesion into the testieles of rabbits, and on the other hand we tried the Wassermann test as well as the Sacks-Georgi reaction with the serum of this patient. but all with negative results.
As far as we know concerning spirochetes found by many investigators in a number of ulcers. it may be considered that the spirochetes in question were in all probability non-pathogenic and happened to subsist and multiply saprophytically in the prepuce ulcer produced by the growth of penis sarcoma.
