328 Diseases of Bone, 



The leg was amputated. 



The fibula is for the most part covered with a nodular 

 crust of new bone, the surface of which is rough, especially near 

 the lower end. The tibia, several inches above its lower end, 

 shows a similar crust, especially at the back, but towards the 

 middle of the shaft the changes are comparatively slight. 



F. P. C. 449. 

 Presented by John Campbell, F.R.C.S.E. 



6. 328. Syphilitic Enlarg-ement of the Bones of the Leg. — 



Left tibia and fibula — macerated, illustrating the above. 



The tibia has a periosteal crust over nearly the whole of 

 its surface, especially towards the lower end, where the bone is 

 manifestly thickened. The surface of the thickening is smooth 

 on the inner aspect and rough on the outer. The fibula shows 

 irregular periosteal deposits over the greater part of its svirfaces. 

 The bones are increased in weight. B. C. i. 5. M. 73. 



6. 329. Syphilitic Enlargrement of the Fibula.— Portion of 



a fibula — macerated, illustrating the above. 



The shaft is thickened for about three inches by a fusiform 

 node-like development of bone upon its surface. 



F. P. C. 459. 



6. 330. Syphilitic Enlargrement of the Fibula.— Right fibula 



— macerated, illustrating the above. 



The lower half of the bone is uniformly thickened all 

 round, and its surface is rough and porous, with patches of 

 rarefaction and erosion here and there. B. C. i. 5. M. 83. 



6. 331. Syphilitic Enlargrement of the Fibula.— Shaft of a 



left fibula — macerated, illustrating the above. 



