. Syphilis : a treatise on etiology, pathology, diagnosis, prognosis, prophylaxis, and treatment . Fig. 22.—Syphilitic leucoderma usually affects the necks of women. (Collection of Dr. Richard Iv. Sutton.). Fig. 23.—The depigmented areas in syphilis may be very small. (Collection of Dr. Richard L,. Sutton.) EARLY CUTANEOUS LESIONS 97 tainly by no means always true. In still other instances areasof increased pigmentation first appear in the form of maculesabout three-fourths of an inch in diameter, the color being thatof chloasma, and resembling patches of dirty skin. The inter-vening skin is d
. Syphilis : a treatise on etiology, pathology, diagnosis, prognosis, prophylaxis, and treatment . Fig. 22.—Syphilitic leucoderma usually affects the necks of women. (Collection of Dr. Richard Iv. Sutton.). Fig. 23.—The depigmented areas in syphilis may be very small. (Collection of Dr. Richard L,. Sutton.) EARLY CUTANEOUS LESIONS 97 tainly by no means always true. In still other instances areasof increased pigmentation first appear in the form of maculesabout three-fourths of an inch in diameter, the color being thatof chloasma, and resembling patches of dirty skin. The inter-vening skin is distinctly lighter than normal. The dark patchesmay coalesce. The condition must be diagnosed from both leuko-derma and chloasma, from tinea versicolor and leprosy. Thelast-named can be excluded by the fact that no anesthesia ispresent, and tinea versicolor by the fact that the syphilitic lesionis never scaly. The peculiar configuration will usually serve toexclude either leucoderma or chloasma, or if not, the laboratoryfindings will make the diagnosis certain. Under the heading of macular syphilis must also be mentionedthe variety described by Ehrmann.^^ Here there are patcheswhich are slightly el
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectsyphilis, bookyear192
