Identifier: americanjournalo10ameruoft (find matches)
Title: The American journal of roentgenology, radium therapy and nuclear medicine
Year: 1906 (1900s)
Authors: American Radium Society American Roentgen Ray Society
Subjects: Radiotherapy X-rays
Publisher: Springfield, Ill. C.C. Thomas
Contributing Library: Internet Archive
Digitizing Sponsor: Internet Archive

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isossium. The writer has had no oppor-tunity of observing either osteomalacia,hyperostosis cranii or leontiasis ossium.He would judge from the literature that it 512 Observations on Osteitis Deformans is extremely doubttui whether hyperostosiscranii exists as a separate entity. Greateraccuracy would seem to classify such casesas either osteitis deformans or leontiasisossium. Between the last-named andPagets disease the writer is of the opmionthat a differentiation could always bemade on the clinical findings. The distinc-tive point that obser\ers of osteomalaciabring out is that there is no enlargement of diaphyseal in location, while Pagets diseaseis not so limited. In the skull, syphilis shows such a defi-nite surrounding zone of reaction combinedwith such an obvious process of destruc-tion and repair as to distinguish it clearlyfrom osteitis deformans. Of neoplasmaffecting bone, only those capable ofproducing ossification should cause confu-sion. These are the new growths originat-
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1-iG. 5. Fig. 6. Fig. 5. Case I. Upper half of left femur and adjacent portion of pelvis, showing characteristic changes in both. Note deformity (below) of old fracture and fracture line above.Fig. 6. Case I. Humerus showing characteristic bone change. bone in this condition and such dclorniiticsas occur are irregular, inconstant and tendto angulation. Circumscribed syphiliticInvolvement of bone is so e\idently destruc-tive in nature with loss of substance andaccompanying repair, manifested as asclerosis, that there is little likelihoodof confusion with osteitis deformans. Thediffuse form of syphilis as typified in thesabre shin has as its distincti\e featuresuch evident condensation that its appear-ance is, in the majority of instances, char-acteristic. It is furthermore strikinglv ing in bone and metastatic osteoplasticcarcinoma; the former produces enlarge-ment either by an expanding process fromwithin or as an external accretion to thebone, the finding of which differs from thee\e

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