File:Practical podiatry - (1918) (14592100108).jpg

Identifier: practicalpodiatr00jose (find matches)
Title: Practical podiatry :
Year: 1918 (1910s)
Authors: Joseph, Alfred
Subjects: Podiatry Podiatry Podiatry X-rays
Publisher: New York : First Institute of Podiatry
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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r sesamoid is usually forced outwardand the X-ray picture shows it in the first interosseousspace. The inner sesamoid is not affected, but may also beforced outward, and is then found under the outer side ofthe first metatarsal, in the normal position of the outer sesa-moid bone. Fracture of these^onesisnot unusual and is a resultof a severe injury. The line of division is shown by a darkshadow, much the saitie as in other fractures. One or bothof the bones may be involved. It is essential to rememberthat if the bone is broken, the opposite sides will fit intoeach other perfectly, whereas, in cases of a freakish nature,in which there are four sesamoid bones, this will not bethe case. Arthritis. Arthritis, or inflammation of the joints, mayinvolve any one or all of the structures which make upjoints, viz., bone, cartilage, ligaments, synovial membraneand fibro cartilage. The acute forms of inflammation arenot detected by the radiogram, but the chronic type leaves X-RAYS IN PODIATRY 403
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HALLUX VALGUS 404 PODIATRY its characteristic marks which, when present, are easilyseen. The synovial covering of the ends of the bones isdestroyed, and shows a rough, uneven surface. In cases oflong standing, there is complete bony ankylosis, and theshadows of the joint line are completely obliterated. Thisis particularly true in the tarsal joints, in which the jointlines between the bones can hardly be seen. There is nomotion in such joints, and in milder cases, in which no unionhas occurred, the sensation of crepitus is conveyed to thehand if the joints are moved passively. Tubercular arthri-tis shows a rarification of the bone with a thickening ofthe periosteum. Arteriosclerosis, or hardening of the arteries, is oftendetected by means of the X-ray picture. Light shadowscast in the normal dark shade produced by the soft tissues,which appear over the course of the arteries, are indicationsof this condition. This disease of the arteries causes a change in thevessels whereby there are

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