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The authors had an opportunity to make photographs of selected patients from 19,000 cases of syphilis that came under their observation. One purpose in presenting a selection of their collection in the form of an atlas was to aid in the early clinical diagnosis of initial lesions.
The majority of the photographs are stereoscopic, and the three dimension illusion when viewed through the instrument makes a better visual impression than the flat presentation.
Short notes and descriptions of the lesions are given. The text is based on the experiences of the authors. Although they admit that any classification of syphilitic chancres is difficult because types merge one into the other, they give this list with percentages based on an analysis of over 9,000 primary sores.
Only 131 cases of extragenital chancre were encountered in over 19,000 cases, and twelve stereoscopic pictures are given of the various types and locations.
AN ATLAS OF THE PRIMARY AND CUTANEOUS LESIONS OF ACQUIRED SYPHILIS IN THE MALE. Arch Derm Syphilol. 1920;2(2):267. doi:10.1001/archderm.1920.02350080135014
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