File:Internal medicine; a work for the practicing physician on diagnosis and treatment, with a complete Desk index (1920) (14598283358).jpg

Identifier: internalmedicine02wils (find matches)
Title: Internal medicine; a work for the practicing physician on diagnosis and treatment, with a complete Desk index
Year: 1920 (1920s)
Authors: Wilson, J. C. (James Cornelius), 1847-1934 Potter, Nathaniel Bowditch, 1869-1919
Subjects: Medicine Diagnosis
Publisher: Philadelphia, London, J. B. Lippincott Company
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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OSTEITIS DEFORMANS. 833 So, too, in progressive muscular atrophy and in muscular dystrophy,when the face is invaded, the muscles alone are involved, the affection isbilateral, and the course and appearance are entirely different. VI. OSTEITIS DEFORMANS: FACETS DISEASE. Definition.—A rare disease of the bones, characterized by the absorp-tion anil new formation of bone tissue, which remains for a time uncalcifiedand leads to curvatures, over-growth and other deformities of the skeleton. Up to 1900 only 66 undoubted cases had been reported and in 1902onlv ircases had been observed in North America.
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Fig. 406.—Osteitis deformans.—Jefferson Hospital. Etiology. — Predisposing Influexces. — Both sexes are liable tothe disease. Of the reported cases about twice as many occurred in malesas in females. Age is more important. The first symptoms have com-monly shown themselves after the fortieth year. The onset of the diseasein one instance occurred about the age of twenty-one. As the disease ischronic and progressive and in most instances unattended by subjectivesymptoms, the cases have usually come under observation at a periodmore or less remote from the time of onset. In the majority of instancesthe first symptoms have been observed in middle rather than in advancedlife. The influence of heredity is uncertain. In three instances, however,cases have occurred in two members of the same family. Occupation isaltogether without influence in predisposing to the disease. Association with Other Diseases.—It has been assumed that there issome causal relation between lesions of the ne

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