Xanthoma

(zan-tki/ ntah). 'lelasma; a form of new-growth of the skin, occurring as plaques imbedded in the skin, or as nodules Xanthopicrin (zan-tho-pik'-rin). A yellow coloring-matter derived from the bark of Xanthoxylum caribe cum. Same as Berberin. a pin's head to a bean in size, rarely larger. The color is yellow, usually the tint of chamois-leather. The plaques are slightly raised above the surface, but are scarcely perceptible to the touch when pinched. They are frequently seen in the form of plates imbedded in the eyelids, especially in people past middle age who have been subject to migraine. X. diabeticorum, Lichen diabeticorum: a rare disease of the skin always a ociated with diabetes mellitus. It develops rapidly and sometimes intermittently; the lesions are denser and hrmer than those of true xan,.i, and are dull-red, discrete, and solid, though at the apex they present a yellowish point, like pus. They are abundant on the scalp and face, but never on the eyelids, nor are they ever a ociated with i jaundice. Itching and tingling are always present. X. line are vel striatum, a form of X. planum in the lesions occur in lines or striae. X. macujaundice.