Modern surgery, general and operative . Fig. 147.—Osteoma of femur. Osteomata 359 are similar in structure to cancellous bone. They spring from, and are crustedwith, cartilage; they may have fibrous capsules, and are often movable when. , i^.^^riS-iV- Fig. 148.—Osteoma of humerus. recent, but soon become fixed; they have broad bases, are angled, nodular,fiirm (but not so hard as are the compact osteomata), painless except whenpressed, occur particularly at the endsof long bones (Figs. 147 and 14S), maygrow to large size, and are commonest inyouth. Osteomata near joints becomeoverlaid by bursse
Modern surgery, general and operative . Fig. 147.—Osteoma of femur. Osteomata 359 are similar in structure to cancellous bone. They spring from, and are crustedwith, cartilage; they may have fibrous capsules, and are often movable when. , i^.^^riS-iV- Fig. 148.—Osteoma of humerus. recent, but soon become fixed; they have broad bases, are angled, nodular,fiirm (but not so hard as are the compact osteomata), painless except whenpressed, occur particularly at the endsof long bones (Figs. 147 and 14S), maygrow to large size, and are commonest inyouth. Osteomata near joints becomeoverlaid by bursse, which in rare instancescommunicate with an adjacent joint. Osteomata do not tend to become ma-lignant and do not recmr after term exostosis or osteophyte has beenused as being s\Tion\-mous with osteoma,but T\Tongly so, as an exostosis is anirregular, local, bony growth which doesnot tend to progress without limit, andwhich is, hence, not a tumor. A trueexostosis is seen in the ossification of atendon insertion (Fig. 149), in a limitedgrowth from one of the maxillary bones,and in a local growth from the last pha-lanx of the big toe, which latter form ofgro\\i:h is kno-mi as a subungual exostosis. Osteophytes of th
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishe, booksubjectsurgery
