. Annals of surgery. Pathol. No. 10474. Photomicrograph (low power) from section of bone shell and con-nective-tissue lining (Sowers case, see Fig. 4). Note the giant-cell osteoclasts producing boneabsorption. Fig. 2 a. Pathol. Xo. 10474. Photomicrograph (low power) from section of the bone shell inSowers case (see Figs. 4 and 22). Here the ostitis fibrosa is filling the spaces between thebone , and there are minute cyst formations (D, suggesting the origin of the largercysts. BONE CYSTS. l6i the differential diagnosis from myxochondrosarcoma might atfirst sight seem difficult. In the
. Annals of surgery. Pathol. No. 10474. Photomicrograph (low power) from section of bone shell and con-nective-tissue lining (Sowers case, see Fig. 4). Note the giant-cell osteoclasts producing boneabsorption. Fig. 2 a. Pathol. Xo. 10474. Photomicrograph (low power) from section of the bone shell inSowers case (see Figs. 4 and 22). Here the ostitis fibrosa is filling the spaces between thebone , and there are minute cyst formations (D, suggesting the origin of the largercysts. BONE CYSTS. l6i the differential diagnosis from myxochondrosarcoma might atfirst sight seem difficult. In the femur every type of cyst has been observed; in thetibia the cysts of varieties i and 2 predominate; there is butone example of the solid ostitis fibrosa, and in this instance(Von Brunns case) the femur was also involved; there isalso one example of variety 3, that is, the ostitis fibrosa withsmall cyst formation; here also the femur was involved. The benign bone cysts of varieties i to 5, therefore, arefound prominently in the humerus, femur, and tibia; moreoften they extend to the epiphyseal line, but there are cases inwhich the disease involves the centre of the shaft only. Colvin reports an X-ray of a benign
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectsurgery, bookyear1885
