2132 



MYCETOMA AND PARAMYCETOMA 



Aires. Unfortunately, they did not grow it on inspissated blood 

 serum, but, as far as we understand their account, we should classify 

 this organism, which they did not name, as Nocardia asteroides. 



Nature of Test. 



N. ustevoides ffOfn 

 Musgrave and Clegg. 



N . hvasiliefisis 

 Lindenberg. 



Kesult of 

 Comparison. 



Seat of disease 



Mycetoma of foot. 



Mycetoma of leg. 



Difference un- 

 important. 



Grains 



Consistency dough- 

 like ; colour yel- 

 lowish-white ; size 

 0'25-0'5 mm. in 

 diameter. 



Consistency soft ; 

 colour yellowish- 

 white; size o-i-0'5 

 mm. in diameter. 



No important 

 difference. 



Clubs 



Usually absent. 



Absent. 



Agree. 



Bacillary and coccal 

 forms 



Numerous bacillary 

 and coccus - like 

 varieties. 



Bacillary and coccal 

 forms present. 



Agree. 



Optimum tempera- 

 ture 



Slower growth at 

 30° C. than at 

 37° C. 



Better growth at 

 room temperature 

 than at 37° C. 



Slight dis- 

 agreement. 



Anaerobic cultivation 



Does not grow. 



Does not grow. 



Agree. 



Broth 



Floating flat par- 

 ticles which later 

 fall to the bottom. 



Medium not affected. 



Small particles 

 which later fall to 

 the bottom of the 

 tube. 



Medium not affected. 



Agree, 



Gelatine 



No liquefaction. 



No liquefaction. 



Agree. 



Sabouraud's glucose 

 agar at 37° C. 



Centre yellow, peri- 

 phery pink to 

 pinkish-white. 



Colonies rose violet. 



Slight dis- 

 agreement. 



Potato 



At first delicate pink 

 and later yellow 

 ochre centre with 

 pinkish or white 

 periphery; the 



darkened. 



At first a rose colour, 

 and later a yellow- 

 orange colour ; the 

 medium becomes 

 brown. 



Agree. 



Serum 



Growth slower. 

 Colonies at first 



white, later diffuse 



pink. 



Grows very badly at 



37" C. 

 Colonies white. 



Later pink not 

 mentioned 

 in A^. bra- 

 sinensis. 



Milk 



Yellowish mass. 

 No coagulation. 



Y e 1 1 0 w i s h-orange 



pellicle. 

 No coagulation. 



Agree. 



