. Roentgen interpretation; a manual for students and practitioners . Fig. 52.—Bowing of the tibia in the adult, due to racliitis. club fingers. Later proliferation of the periostemn, which is difficultto distinguish from that of lues, appears along the metacarpals andphalanges and frequently about all the long bones. As a result, DISEASES OF NUTRITION 75 these bones have a thickened cortex and in the later stages areincreased in width. Acromegaly.—Acromegaly, in addition to the characteristic changesin the skull, gives rise to a general enlargement of the typical finding is the chan
. Roentgen interpretation; a manual for students and practitioners . Fig. 52.—Bowing of the tibia in the adult, due to racliitis. club fingers. Later proliferation of the periostemn, which is difficultto distinguish from that of lues, appears along the metacarpals andphalanges and frequently about all the long bones. As a result, DISEASES OF NUTRITION 75 these bones have a thickened cortex and in the later stages areincreased in width. Acromegaly.—Acromegaly, in addition to the characteristic changesin the skull, gives rise to a general enlargement of the typical finding is the change which occurs in the cancellous bone,the texture of which becomes very coarse and heavy. There is alsoclubbing of terminal Active rachitis. Rickets.—This is a disease usually occurrmg during the firstdentition. It shows in the roentgenogram a flaring and wideningof the diaphysis above the epiphyseal line; the bone between shaftand epiphysis is increased in thickness, with ragged, fringy shaft side of the epiphyseal line may appear as a broad white 76 BONE PATHOLOGY line, as a result of the deposit of lime salt. The shaft may be bowedand the cortex considerably thickened on the concave side of thecurve. Mild periosteal proliferation sometimes occurs. There maybe areas of decreased density in the cranial bones along with promi-nence of the frontal and parietal bosses. In the form which comeson later during adolescence there is irregular rarefaction and enlarge-ment of the long bones, resulting in disturbance of the weight-bearinglines, as, for example, coxa vara and genu varum.
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