. Archives de la médecine physique et de la réadaptation . parties molles normales, un périostum non épaissi, et ce périostum bandes dos-parfois exactement comme le périos-teum normal, dans d'autres cas il semble plus lâche. 1 hebone en dessous peut être normal, que dans, blanc et opaque, Et lorsque le périostum est retiré du canal eachHaversien dans lequel le tissu con-nectif du périostum plonge, une goutte de sang d'une minute apparaîtra.le premier changement par rapport à la normale dans la coquille osseuse est que ce saignement des canaux Haversiens est absent, et l'os en dessous a perdu son blanc, glisting-ing, opaque aspect an
1621 x 1542 px | 27,4 x 26,1 cm | 10,8 x 10,3 inches | 150dpi
Informations supplémentaires:
Cette image peut avoir des imperfections car il s’agit d’une image historique ou de reportage.
. Archives of physical medicine and rehabilitation . normal soft parts, an unthickened peri-osteum, and this periosteum strips backsometimes exactly like normal perios-teum, in other cases it seems looser. 1 hebone beneath may be normal, that in, white and opaque, and when the peri-osteum is stripped back from eachHaversian canal into which the con-nective tissue of the periosteum dips, a minute drop of blood will appear.The first change from normal in thebone shell is that this bleeding fromthe Haversian canals is absent, and thebone beneath has lost its white, glisten-ing, opaque appearance and is dark, somewhat like the bark of a tree. The thickness of the bone shell mayvary up to the thinness of parchment.When one palpates the bone shell itmay feel like normal bone, it may beslightly rough, or it may give parchmentcrepitation. In the Journal of Radiologyfor March, 1920, I discussed and il-lustrated the types of central lesions.In that article. Figure 1 (Pathol. No.19133) shows the x-ray of a centralmy.osarcoma, while Figure 2 (Pathol.. Pig-. 1—Pathol. No. 30616. Case 1.X-ray (6 9 22) of periosteal sar-coma of the ossifyiugf type. Thisbony tumor palpates like bone. Pig-. 2—Pathol. No. 30616. Case 1.X-ray (9 5 22) of periosteal sar-coma of ossifying- type. This bonytumor iialpates like bone. 119 No. 17871) shows a benign cyst ofthe greater trochanter. Figure 5(Pathol. No. 16297) is a benign.bonecyst of the upper end of the tibia; Fig-ure 15 (Pathol. No. 22016) a cen-tral chondroma of the lower end of thefemur, and Figure 16 (Pathol. No.25778) a central giant-cell tumor ofthe lower end of the femur, while Fig-ure 20 (Pathol. No. 14229) is a cen-tral sarcoma; Figure 28 (Pathol. No.22929) a central myxoma: Figure 37(Pathol. No. 23552) illustrates thaituberculosis may appear as a centralbone lesion with an intact bone shell.Up to the present time I have neverobserved syphilis or pyogenic osteomye-litis to appear as a central bone lesionwith an intact bone shell with
