Tiibercular Synovitis of Knee-joint. 433 



the articular surface of the femur at the margins, and opposite 

 the ligamentum mucosum and the ligamenta alaria. The 

 interior of the epiphyseal end of the shafts of the femur and 

 tibia is in each case fatty, and when fresh Avas of a brown 

 chocolate colour. The interior of the epiphyses themselves 

 seems healthy. Much fibrous tissue has been formed around 

 the joint, and had anchylosed it, thus accounting for the 

 absence of starting pains. The skin on the side shows marks 

 of a previous ulcer formed after one of the abscesses had burst. 



G. C. 2812. 

 Presented by A. G. Miller, F.R.C.S.E. 



7. 20. Tubercular Synovitis.— Section of an injected knee-joint 

 — in spirit, illustrating the above. 



For some months the patient had been treated with rest by splints,, 

 and also for a time in bed. As the disease was not checked, the joint was 

 opened and scraped. Improvement was only temporary. The resulting 

 sinuses refused to heal, and as the patient's general health began to fail, 

 amputation was performed. 



When the section was first made, the shafts of the tibia 

 and femur next to the knee-joint epiphyses were congested, 

 and of a deep chocolate colour, and the bone was softened 

 and fatty. The texture of the epiphyses seemed healthy. 



The cartilaginous surfaces are being attacked in the usual 

 way. The periosteum was easily stripped oflf, and was detached 

 in making the section. G. C. 3108, 



Presented by v. H. Maclaeen, F.R.C.S.E. 



7. 21. Tubercular Synovitis.— Sections of an injected right 

 knee-joint — in spirit, illustrating the above. 



The injection has passed well into the tibia, but imper- 

 fectly into the femur and synovial membrane. 



The cartilaginous surface of the femur on the upper (inner) 

 section is entirely covered by granulations, very few of which 



2 E 



