. American practice of surgery ; a complete system of the science and art of surgery . XERODERMA PIGMENTOSUM(From La Pratique Dermaiologique, Masson et Cie, Editeurs, Paris.) SURGERY OF DISEASES OF THE SKIN. 385 exposed. In a little girl whom I saw some years ago, and who, as I thought,might be suffering from a light grade of this disease, the affection was on theface, neck, hands and arms, and on the legs. She lived in Arizona, where thesunlight is intense, so intense as ordinarily to cause brow^ning of the skin of thelegs through the stockings. The occurrence of the disease in families would
. American practice of surgery ; a complete system of the science and art of surgery . XERODERMA PIGMENTOSUM(From La Pratique Dermaiologique, Masson et Cie, Editeurs, Paris.) SURGERY OF DISEASES OF THE SKIN. 385 exposed. In a little girl whom I saw some years ago, and who, as I thought,might be suffering from a light grade of this disease, the affection was on theface, neck, hands and arms, and on the legs. She lived in Arizona, where thesunlight is intense, so intense as ordinarily to cause brow^ning of the skin of thelegs through the stockings. The occurrence of the disease in families wouldindicate a hereditary affection. The diagnosis is not at all difficult. The. Fig. 57.—Fibro-Sarcoma of the Foot. (Sabouraud: Dermatologie Topographique.) only affection it might be mistaken for is pigmented nsevus, as both are associ-ated w^ith patches of dilated capillaries. The wearing of veils and gloves to shield from the sunlight, and the appli-cation of soothing ointments to make the skin supple, are the only preventivemeasures available. When malignant disease develops, an operation shouldbe performed early. SARCOMA OF THE SKIN. Sarcomas are malignant tumors of the connective-tissue type. The tissuein them is embryonic and has a tendency to indefinite growth, but the rate ofgrowth, and therefore the malignancy, differ widely in different , for instance, it will form a sharply defined tumor of slow growththat when cut out does not return even locally, and has therefore not the malig-voL. II.—35 386 AMERICAN PRACTICE OF SURGERY. nancy of a keloid: and yet, on microscopical examination, it will he found toconsist of well-marked, richl
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