Lectures on acne, acne rosacea, lichen and prurigo / by Tom Robinson, Physician to St. John's Hospital for Skin Diseases.

  • Robinson, Tom
Date:
1884
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Licence: Public Domain Mark

Credit: Lectures on acne, acne rosacea, lichen and prurigo / by Tom Robinson, Physician to St. John's Hospital for Skin Diseases. Source: Wellcome Collection.

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    ledge of either disease. I repeat the ohser- vatioii with renewed emphasis to-night. By a liclien spot I mean an altered condi- tion of a liair follicle, and by the simple word I mean .a jiapule which rises n)) from the surface of the skin, which neither becomes vesicular or ])nstnlar ; it may become scaly. We will ask ourselves what is it which indnences the growth of hair, and the answer we shall receive will he, the commencement of the respiratory function in a child, the irritation of the clothing, the advent of ])ii- hertv, and the constitutional tendencv of the V individual ; and we must add the influence of external causes, such as dust, sun, soap, special callings, or the low forms of |)lant life. The first form of lichen to which I will call your attention is known as strophulus or red- gum, or tooth-rash. It is a condition very common durino: the first few months of a child’s life, and is recognized by a nnmher of minute red spots, which are more abundant on the face than elsewhere, which attack every portion of the body excepting the palms and soles. The mode of production