The ready reference handbook of diseases of the skin / By George Thomas Jackson, ... With 99 illustrations and 4 plates.

Date:
1906
Catalogue details

Licence: In copyright

Credit: The ready reference handbook of diseases of the skin / By George Thomas Jackson, ... With 99 illustrations and 4 plates. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    usual course of events, and at birth lanugo liairs only are present. In alopecia adnata tliere is not tlie sliglitest trace even of lanugo hairs either on the scalp or eyebrows. In some cases the baldness is not so complete. Most cases, after months or years, recover either altogether or partially, hut in some cases the hair never grows. In pronounced cases delayed dentition or deficiency of the teeth has been observed. Etiology. The cause of the disease is arrest of the development of the hair, probably due to an error in in- nervation. It is said to be hereditary in some families. Pathology. There is a conpdete absence both of hair and hair papillse. There are some abortive hair follicles. Otherwise the scalp is normal. Treatment. The treatment is mainly an exjiectant one. The nutrition of the child should be looked after and the .scalp kept in a healthy condition. If this expect- ant ])lan does not satisfy the child’s attendants, some of the stimulating hair washes, as in alopecia preesenilis, may be prescribed for the mond effect upon them. Alopecia Senilis is baldness occurring in advancing years. Any loss of hair commencing about the forty-fifth year and without ajipareut cause may be placed under this heading. Graying of the hair may have preceded it for several years or may be coincident with it. Or the hair may fitll without becoming gray. The hair fall having once begun is progressive, though its rate of progress may be slow or fast. It usually shows itself first upon the vertex of the head, forming the tonsure, which slowly in- creases in size and, moving forward, renders the whole top of the head bald. Or it may begin anteriorly and move backward. Or the hair on the whole top of the head may become thinned at once. Rarely are the temporal and occipital regions bald, and an island or tuft of hair is sometimes preserved for a long time in the middle frontal region. The hair fall is always symmetrical and the bare scalp is smooth, oily, shiny, and appears as if stretched. Not only does the hair fall from the scalp, but it may fail from the axillse and pubic region ; these manifestations I
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