. The American journal of tropical medicine. mycetoma is not frequentlyencountered in North America. In the above table (table 1) 30 cases are considered froman epidemiological standpoint, and are arranged in chronologicalorder according to the year of their report. The numerals hereemployed to designate individual cases will be hereafter employedto designate the same cases. Epidemiological incidence of mycetoma Only 1 case has been recorded from Canada in a person whohad never been out of the Dominion. A total of 13 (plus 2 fromLos Angeles) are known from the United States. Of these 9could no
. The American journal of tropical medicine. mycetoma is not frequentlyencountered in North America. In the above table (table 1) 30 cases are considered froman epidemiological standpoint, and are arranged in chronologicalorder according to the year of their report. The numerals hereemployed to designate individual cases will be hereafter employedto designate the same cases. Epidemiological incidence of mycetoma Only 1 case has been recorded from Canada in a person whohad never been out of the Dominion. A total of 13 (plus 2 fromLos Angeles) are known from the United States. Of these 9could not have contracted infection outside the country. Of theremaining 4, 1 can certainly be credited to Mexico. One case(8) that of Wrights black grained mycetoma, may possibly be MYCETOMA IN NORTH AMERICA 223 credited to Italy. The patient, an Italian woman, had beenin America an uncertain number of years before her onset. Noother case of black grained mycetoma is known from NorthAmerica, while other cases have been observed in Italy. Thirteen. cases are reported from Mexico, one from Panama, and 2 fromCuba. The approximate location of their residences at onset isshown on the map of North America. It is interesting to notethat of the 15 cases from the United States, 7 have been recog-nized in residents of Texas. 224 MARK F. BOYD AND EARL D. CRUTCHFIELD Only 3 of these 30 cases are women. Five cases are Caucasians, 5 negroes, 1 an Indian, and 19 forwant of a better designation may be described as native Mexicans,though probably actually Indians. In 17 instances the age at the onset of the disease is only one case did it occur during the first decade of Ufe. Infour instances the onsets were in the second decade, and in sixinstances in the third decade. The fourth and fifth decadeswitnessed the onset of 2 and 3 cases, while 1 occurred in theeighth decade. The onset, therefore, is most common betweenthe ages of ten and thirty. Nineteen of the patients were laborers by occupati
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttropica, bookyear1921
