A treatise on orthopedic surgery . Scoliosis following empyema atthe age of two years. Presentage nineteen years. Scoliosis secondary to lumbar Potts disease inearly childhood. or abolished by the adhesions that form between it and the chestwall, as well as by the extension of the disease to its a result, the side of the chest is retracted while the functionof the unaffected lung is increased (Fig. 102). Thus, as inparalysis, the spine curves with the convexity toward the activeside. LATERAL CUBVATUBE OF THE SPINE. 167 Other affections of the lungs that interfere with the function
A treatise on orthopedic surgery . Scoliosis following empyema atthe age of two years. Presentage nineteen years. Scoliosis secondary to lumbar Potts disease inearly childhood. or abolished by the adhesions that form between it and the chestwall, as well as by the extension of the disease to its a result, the side of the chest is retracted while the functionof the unaffected lung is increased (Fig. 102). Thus, as inparalysis, the spine curves with the convexity toward the activeside. LATERAL CUBVATUBE OF THE SPINE. 167 Other affections of the lungs that interfere with the functionof one side may induce lateral curvature, but the influence isless marked and direct than in empyema. 5. Incidental Lateral Cukvatuke.—Lateral curvaturemay be caused by direct injury or by disease of the spine; forexample, by fracture or^by Potts disease, or by other organic Fig. 104. Fig. Congenital scoliosis. Rhachitic scoliosis. affections of the spine (Fig. 103). Distortion symptomatic ofsacroiliac disease, or the more marked deformity caused bysciatic or lumbar neuritis (Fig. 88), may if persistent finallyinduce slight permanent deformity, but such cases hardly de-serve special consideration. 6. Lateral Curvature due to Occupation.—Lateralcurvature of a mild degree is incidental to certain occupationsthat require habitual inclination of the body. It is said to be 168 OBTEOPEDIC SUBGEBY. very common among stone-cutters, for example. Such deform-ity developing after tlie growth of the body has been attained isof interest as throwing light upon the etiology of the ordinaryform of lateral curvature. For if habitual attitudes can thus^change the contour of the developed spine, it is evident thaftsimilar postures, though far less constant, may influence the Fig. 106.
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