. The practice of pediatrics. generation is formationin the lungs may occur,but it is very uncom-mon. 8. Bones. — Latesyphilitic changes occurin the osseous systemeither as a diffuse hy-perplastic ostitis andperiostitis, or as a gum-matous process; lesionsof both varieties, how-ever, may occur at thesame time in the oneindividual. Accordingto Lannelongue, a hy-perplastic ostitis andperiostitis may involvethe whole skeleton. The long bones are chiefly affected. The sameauthor considers that the so-called Pagets bone disease, which is adiffuse progressive periostitis leading to hy


. The practice of pediatrics. generation is formationin the lungs may occur,but it is very uncom-mon. 8. Bones. — Latesyphilitic changes occurin the osseous systemeither as a diffuse hy-perplastic ostitis andperiostitis, or as a gum-matous process; lesionsof both varieties, how-ever, may occur at thesame time in the oneindividual. Accordingto Lannelongue, a hy-perplastic ostitis andperiostitis may involvethe whole skeleton. The long bones are chiefly affected. The sameauthor considers that the so-called Pagets bone disease, which is adiffuse progressive periostitis leading to hyperostosis, is nothing morenor less than hereditary syphilis. The tibia is the bone most frequently involved. The disease hereproduces what is known as the saber deformity. (See Fig. 105.) Fol-lowing the hyperplastic stage is the real stage of hyperostosis, the de-formity being due to the continuous formation of new periosteal bonelayers about the primary one. Among the less frequent bone changes in late hereditary syphilis. Fig. —Showing saber deformity of legs in ter-tiary congenital syphilis in a child nine years of age(Dr. Sill). SYPHILIS 667 is a rarefying periostitis leading to bone absorption. This condition isseen on the surface of the cranial bones and causes the formation ofrough areas (caries sicca). Joint affections may occur in late hereditary syphilis in the form ofa simple hydrops without capsular thickening or a hyperplastic there may be a combination of hydrarthrosis, with swelling of thejoint-ends of the hollow bones, and in rare instances a condition resem-bling white swelling. Symptoms.—This form of syphilis in the young may manifest itselfin widely different ways. Errors in Nutrition (see p. 669).—A not infrequent manifestationis that of moderate malnutrition and stunted growth. The patient ishabitually pale, undersized, and shows lack of resistance, and suchevidences may be the only signs of the disease.


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Keywords: ., bookcentury1900, bookdecade1910, bookid39002, booksubjectchildren