Page:Skin Diseases of Children.djvu/104

70 disease is often found to have spread over the greater portion of the face, producing a marked ectropion and a partial disappearance of the nose and ears. Such an extensive development of the disease is rarely if ever observed in childhood. Although the face is the most common site of lupus, the trunk and extremities may also be affected, either independently or with the face.

. 39.—A favorite site of lupus.

Another tuberculide, or affection in which the bacillus tuberculosis is invariably present, is often met with in childhood as well as in adult life, and is known as tuberculosis verrucosa or lupus verrucosus. This consists of dry, warty, or papillomatous patches (Fig. 40), which may develop upon the back of the hand, especially over the knuckles, the wrist, the popliteal spaces, and other portions of the body, and is commonly regarded as the result of local infection. The development of the disease is