. The American journal of roentgenology, radium therapy and nuclear medicine . a case of Pagets disease diag-nosed on .v-ray e\idence alone; such evi-dence being deemed conclusive enough tojustify the diagnosis. A single lumbar\ertebra (the thirds appeared in the .v-rayplate with a symmetrical enlargement andthe textural changes which characterizePagets disease, aIz., a combination ofrarefying and condensing osteitis pro-ceeding simultaneously. (See Figs. 15 and16.) Necessarily there can be no deformityexcept the enlargement. A-ray examina-tion of the remainder of the skeletonshowed it free fr
. The American journal of roentgenology, radium therapy and nuclear medicine . a case of Pagets disease diag-nosed on .v-ray e\idence alone; such evi-dence being deemed conclusive enough tojustify the diagnosis. A single lumbar\ertebra (the thirds appeared in the .v-rayplate with a symmetrical enlargement andthe textural changes which characterizePagets disease, aIz., a combination ofrarefying and condensing osteitis pro-ceeding simultaneously. (See Figs. 15 and16.) Necessarily there can be no deformityexcept the enlargement. A-ray examina-tion of the remainder of the skeletonshowed it free from involvement. Case IV. White, male, fifty-five jears of age. Clinically the historyshows nothing of moment to bear out thediagnosis. The patient presented himself atthe dispensary because of pain in the backand along the course of the sciatic examination was negative except Observations on Osteitis Deformans 517 for a muscle spasm in the lumbar region, suillcient to explain the local increase inWassermann reaction negative. This case Fig. IV. Roentgenogram of lumbar spine show- Fic. 16. Case IV. The same as Figure 1,-, retouehed tc;ing enlargement and textural ehange in third lumbar bring out features mentioned, vertebra. is considered one of the early so-calledmono-osteitic type. Paget calls attention to the great vas-cularity of pagetic bone, as have manywriters since. Several ha\e observed theenlargement of temporal vessels in casesof skull involvement which they reported,especially Catola and Pescarolo The illustrations of their casesshow a pronounced increase in size ot thetemporal vessels, and this is also observ-able in Da Costas latest case. Greatvascularity was apparent at the timeof operation on the writers third case, ashas been mentioned. Increased vascularityof bone in Pagets disease can be con-sidered as established beyond doubt. Itexceeds in degree that of some types ottumor. The significance of it
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