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Linear and Semicircular Scars Associated with Lupus Erythematosus. Presented by Dr. Bechet.
M. W., a girl, aged 13, had a typical "butterfly type" of discoid lupus erythematosus of the face, which had been present for seven months, and had practically disappeared after twelve injections of gold and sodium thiosulphate. On both malar prominences, in the middle of almost healed lupus erythematosus plaques, were a number of deep, irregular, criss-crossed linear and semicircinate scars, resembling multitudinous roads on an aerial map. The patient denied emphatically ever having scratched her face.
DISCUSSION
Dr. Weidman: I doubt if there is any cicatricial tissue in the base of the depressions; it is more atrophy. In connection with that one may remember how, histologically, the infiltration of lupus tissue follows a tractlike course (this is often useful in differential diagnosis), as if it followed along some of the larger blood vessels. The fact that the