LIFE HISTORY OF AN UNDESCRIBED ASCO~ 

 MYCETE ISOLATED FROM A GRANULAR 

 MYCETOMA OF MAN • 



C. L. Shear 

 (Wit'h Text Figures 1-3) 



In March 192 1 we received from Dr. Mark F. Boyd of the 

 Medical Department of the University of Texas, Galveston, Texas, 

 cultures of a fungus showing perithecia and conidia for identifica- 

 tion. This fungus was isolated from a lesion in a diseased ankle 

 of a negro in Texas. The clinical history of this case with a 

 general description of the organism has recently been published by 

 Doctors Boyd and Crutchfield. 1 In brief the history of the case 

 and of the organism is as follows : 



Some twelve years ago the patient while barefooted ran a thorn 

 into the sole of his foot. The thorn was removed and the wound 

 apparently healed. About three months later the ankle began to 



Fig. 1. Allescheria boydii. a, Cephalosporium stage, conidiophores and 

 conidia X 277; b, conidia, X 53°- 



pain and became swollen. The swelling became soft and finally 

 ruptured, discharging bloody pus. The lesions healed over tem- 

 porarily, but continued to break at intervals. Soon after the pa- 



1 Boyd, Mark F., & Cutchfield, Earl D. Contribution to the Study of My- 

 cetoma in North America. Am. Jour, of Trop. Med., 1, no. 4, 215-289, July, 

 1921. 



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