8i6 



Mycetoma, or Madura-foot 



Not infrequently small hemorrhages occur from the 

 ulcers and sinuses of the diseased tissues; the hemorrhages 

 can be explained by the abundance of small blood-vessels 

 in the diseased tissue. 



Fig. 273. Melanoid form of mycetoma. Two bouillon cultures 

 showing the powder-puff ball appearance. In one the black granule is 

 seen in the center of the growth (James H. Wright). 



Fig. 274. Melanoid form of mycetoma. Potato culture of the 

 hyphomycete obtained from the granules. The black globules are 

 composed of a dark brown fluid (James H. Wright). 



The Melanoid Form of mycetoma has been carefully 

 investigated by Wright* and appears to depend upon an 

 entirely different micro-organism properly classed among the 

 * "Journal of Experimental Medicine," vol. m, 1898, p. 421. 



