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Late Cutaneous Syphilis. Presented by Royal M. Montgomery, MD
History.—
A 28-year-old male stated that he had had a peculiar skin eruption for three months.
Examination.—
The skin lesions were erythematous crusted circinate plaques. The largest one which was on the abdomen measured 2×3 inches. This was atrophic in the center with a raised circinate border. Another erythematous plaque, approximately 2×2 inches was present on the right side of the neck. This also had a raised border but had some linear nodular areas in the center. There were two crusted areas, each one half inch in diameter, one on the right thumb and the other on the left palm. All lesions had been present for the same length of time, and no admission of any type of prior skin eruption could be elicited.
Laboratory Studies.—
The dark field examination was negative. The VDRL was positive 1 to 64.
Treatment.—
The