. The American journal of roentgenology, radium therapy and nuclear medicine . cular during the periodof growth, but becomes thin, less vascularand very adherent to the bone at childhood, however, it is but looselv at-tached to the shaft of the bone from whichit is very easily separated. At either end ofthe bone it is firmly attached near the epi-physeal line, where it becomes continuouswith the capsular ligament of the joint. Itconsists of two layers, an outer fibrous, andan inner cellular layer, the latter being con-cerned with the growth of new bone. Con-sequently the subperiost
. The American journal of roentgenology, radium therapy and nuclear medicine . cular during the periodof growth, but becomes thin, less vascularand very adherent to the bone at childhood, however, it is but looselv at-tached to the shaft of the bone from whichit is very easily separated. At either end ofthe bone it is firmly attached near the epi-physeal line, where it becomes continuouswith the capsular ligament of the joint. Itconsists of two layers, an outer fibrous, andan inner cellular layer, the latter being con-cerned with the growth of new bone. Con-sequently the subperiosteal hemorrhages in 371 o/- A Case of Infantile Scurvy the bones as in scurvy have a tendency toraise enormous efifusions under the perio-steum along the shafts of the long effusions are abruptly limited at thediaphyseal side of the epiphyseal line by the transverse line of absorption because of theabsence of bone structure. This resembles asecond epiphyseal line, extending across theentire diaphysis. (Fig. i. Lower end leftfemur.) Its appearance during the early. Fig. I. Lower Extremities on Day of Admission,July 14, 1919. Note the line of decreased densityjust proximal to the lower epiphysis of the rightfemur, with slightly increased density just distalto the line. The appearance is not so well de-fined in the other bones. (There was a break inthe plate through the lower end of the left femurand the shadow of the break has been touchedout.) The appearance at the lower ends of thetibiae and fibulae suggests rickets. Note the ab-sence of any evidence of hemorrhage at this time. attachment of the periosteum at this site.(Fig. 2.) The chief clinical manifestations areanemia, lassitude, great weakness, immobil-ity, swelling and tenderness of the extrem-ities. The lesions are usually multiple inrespect to the number of limbs involved. In the roentgen examination for scurvythere are three appearances to be carefullynoted. First, the epiphyseal line is usuallyperfectly nor
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