370 Diseases of Bone. 



the muscle, part of which is adherent to it. On the surface of 

 i;he femur there are indications of erosion at some places, and 

 ■of development of bone at others. The surface of section 

 shows the femur to have been somewhat condensed in the 

 interior, with tumour substance in the medullary cavity above 

 the condensed part. Below it the cancelli form large spaces, 

 and these at the time of section also contained sarcomatous 

 material, part of which has since fallen out. The neck of 

 the bone is partially absorbed, and the head is flattened from 

 «bove. The whole bone was found "more soft and sectile 

 than natural," G, C, 2273. 



Fresented by P. D. Handyside, F.K.C.S.E. 



6. 419. Periosteal Sarcoma of Femur.— Cast in wax of the 



previous specimen before section. 



The fusiform shape and the sligMly lobulated character of 

 the surface of the tumour are well brought out. G. C. 2274. 

 Presented hy P. D. Hakdyside, F.KC.S.E. 



6. 420. Stump after Amputation for Periosteal Sarcoma of 



Femur.-Plaster of Paris cast of the stump from the previous case. 



The cast was made on 10th September by Dr M'Lean. It 



shows a considerable swelling in the groin and in the anterior 



flap, for by that time the disease had recurred in the stump. 



G. C, 2275. 

 Presented by P. D, Handyside, F.R.C.S.E. 



6. 421. Periosteal Sarcoma of Femur and Knee-Joint.— 



Quadrant section of the lower part of a thigh — in spirit, illus- 

 trating the above. 



R. W., aged 18, Was admitted to Royal Infirmary, Edinburgh, 

 on 4th September 1888. His mother and an aunt had died of consump- 

 tion, but his family history was otherwise good. 



The swelling dated from an injury in the beginning of June of the 

 same year. At first^,there was swelling and pain at the inner side of the 

 knee. These increased rapidly, anl in three weeks quite prevented him 



