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A Case for Diagnosis. Presented by Dr. John Butler, Minneapolis.
This married woman, aged 28, says that five weeks ago she noticed a lesion resembling a pin scratch on the chin. The lesion was sharply marginated and became eroded; there was a peripheral spreading of about ½ inch (1.27 cm.) in diameter; there was no apparent infiltration and no pus, but considerable oozing serum which dried on the surface as a thin varnish-like crust was present.Three weeks later (about two weeks ago) she noticed an enlargement of the sublingual glands. The mass was about the size of a walnut and seemed to be soft and lobulated. It does not seem to have enlarged since it was first noticed. The first time I saw the patient, about a week ago, she said that she had been applying phenolized petrolatum to the sore. She discontinued the use of antiseptics, and several