Journal of Cutaneous Diseases Including Syphilis (Volume 4)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1886 edition. Excerpt: ...of producing black pigment appears to be, in most persons, very limited. The original growth, beginning it may be in the rete of the skin, or in the choroid of the eye, is coal-black, but the later and larger growths are white, or show only here and there a pigmented streak. To make the diagnosis at these stages, it is necessary to look carefully at the skin near the margin of the fungus. Here a little colored border may often be found, looking as if lunar caustic had been applied, which tells the tale. Melanotic Whitlow.--There is a rare form of disease of the nail-bed which is malignant, and usually takes the type of melanotic sarcoma. It is generally attributed in the first instance to injury, and its diagnosis is always missed in the early stages. Because it resembles whitlow, and is usually so named at first, I prefer to give it that name. It is, however, from the beginning, malignant. Careful observation will find at the edge of the inflamed nail a little border of coal-black color, and this, however slightly marked, must be allowed to make the diagnosis. I have seen at least half a dozen of these cases. Early amputation is demanded.--J. Hutchinson, in Brit. SJed. Jour. SaUAMOUS ROSEOLA IN ITS VARIED FORMS. 1. The entire group of features presented by the affection to which Gibert has given the name of pityriasis rosea permits us to consider it as a pseudo-exanthem more closely allied to the eruptive fevers than to the dermatoses with which it was formerly classed. We believe that we should consider it as a special morbid entity, to which the name roseola squamosa would be applicable. 2. It is important, as well from a diagnostic as from a therapeutic point of view, to be perfectly familiar with the mode of production of the successive...