The treatment of some forms of embryonic growths by electrolysis / by Charles R. Dickson.

  • Dickson, Charles R.
Date:
1906
Catalogue details

Licence: In copyright

Credit: The treatment of some forms of embryonic growths by electrolysis / by Charles R. Dickson. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    Reprinted from The Canadian Journal of Medicine and Surgery, Toronto, February, 1906. The growths to be considered in this brief paper are some of those “ congenital, circumscribed, cutaneous anomalies ”* termed nevi, and more particularly nevus pigmentosus and nevus vasculosus. In nevus pigmentosus or pigmentary mole the hypertrophy may be confined to an excessive circumscribed deposit of pigment in the skin, or one or more of the constituent elements of the skin may be involved as well. Moles may be of any shade of color from light fawn to jet black, and from a pin head to a fetal head in size—the smaller the size the more regular the outline of the mole, as a rule; they may be single or multiple, covering the surface of the body with hundreds of spots in reported cases. There are several varieties of moles; for example, nevus spilus, of smooth surface, slightly elevated above or level with the surrounding skin; nevus verrucosus, of rough, uneven and warty surface; nevus lipomatodes, thick, soft, connective-tissue growths, usually subcutaneous; nevus pilosus, covered more or less with hair. In nevus vasculosus, or nevus flammeus, the blood vessels of the skin and subcutaneous tissue are the elements involved. The capillary form is the one most frequently met with, the venous least so. Vascular nevi may be of any color from the faintest blush to the deepest purple, fading temporarily under pressure, and vary from the size of a pin point to the extent of an extremity,, or even half of the body; they may appear as a mere stain, as punctate spots, as a tortuous vessel barely below the surface, or as small or large tumors. Hutchison reports a case of a child which had over one hundred vascular nevi, all distinct and super- ficial. Varieties of vascular nevi are nevus simplex and angioma cavernosum. ISTevus vasculosus simplex or simple angioma is known to the laity as “ port wine stain,” “ strawberry mark,” “ mother’s mark ” and occurs in smooth, flat, non-elevated or very slightly raised, well-defined or faint patches. Angioma cavernosum, tumeur erectile or cavernous nevus is met with as a prominent, turgescent, erectile or even pulsating, tumor-like growth, enlarging during crying or other emotional disturbance. The classification is that of Van Harlingen. Macleod.