Lateral Curvature of the Spine. 515 



places are partially anchylosed. The aorta is seen to follow the 

 abnormal curves of the spine. G. C. 3205. 



Presented hy Macdonald Bkowx, F.R.C.S.E, 



7. 218. Advanced Lateral Curvature of the Spine.— 



Dorsal and lumbar portion of the spine with pelvis — partly 

 macerated, illustrating the above. A section was originally 

 made of the preparation, but as the bone was found to be 

 friable, it was considered best to replace the parts. 



There is a very extreme curve to the right in the mid- 

 dorsal region, possibly due to tilting of the pelvis. The usual 

 rotation of the bodies of the vertebrae to the convex side, with 

 compression and anchylosis of parts in the concavity, is well 

 seen. The natural curves are obliterated. The pelvis is roomy 

 and fairly natural, except that the iliac crests are flattened. 



B. C. I. 3. M. 11 and 12. 



7. 219. Advanced Lateral Curvature, with Excessive 



Distortion.^Spinal column, thorax, and pelvis — macerated, 

 illustrating the above. 



The patient, a man who lived to nearly the age of 50, died of 

 apoplexy. 



There is an extremely acute lateral curve to the left in 

 the lower dorsal region, with a compensating curve to the right 

 in the upper dorsal region. The rotation of the vertebral 

 bodies is so complete in the lower dorsal region that the front of 

 some of them looks obliquely backwards. The usual increased 

 projection of the angles of the ribs at the convexity, and 

 flattening at the concavity, is so marked that the lower ribs 

 on the left side are like flattened plates rolled round the bodies 

 of the vertebrae ; while on the right side, they are nearly 

 straight. The compressed parts in the concavity are in many 

 cases anchylosed. Figured by Shaw "on Distortion," plate 4. 



B. C. I. 3. M. 17. 



7. 220. Lateral Curvature— Bone Changes. — Three anchy- 

 losed dorsal vertebrae, probably seventh, eighth, and ninth — 

 macerated, illustrating the above. 



