The Medical clinics of North America . n those of Entamoebahistolytica. Sometimes chromidial bodies, more commonlyin the form of splinter-like bars, are present. In two years experience by one of us in ihe Yale Hospitalin Yunan Province in central China dysenteric amebiasis wasfound to be most common. The following case is typical ofhundreds and illustrates the usual course of intestinal infectionwith Entamoeba histolytica in a hot climate. 4io ALFRED C; REED, HARRY A. WYCKOFF Case IX.— A well-nourished Chinese boy of ten years wasadmitted to the ward with a history of diarrhea for four months


The Medical clinics of North America . n those of Entamoebahistolytica. Sometimes chromidial bodies, more commonlyin the form of splinter-like bars, are present. In two years experience by one of us in ihe Yale Hospitalin Yunan Province in central China dysenteric amebiasis wasfound to be most common. The following case is typical ofhundreds and illustrates the usual course of intestinal infectionwith Entamoeba histolytica in a hot climate. 4io ALFRED C; REED, HARRY A. WYCKOFF Case IX.— A well-nourished Chinese boy of ten years wasadmitted to the ward with a history of diarrhea for four months,accompanied by much mucus and blood. The movementsaveraged from six to eight daily and were attended by somecolicky pain and severe tenesmus. Examination of the stoolsshowed enormous numbers of motile Entamoeba histolytica,and a few ascaris ova. The ascarids were expelled with calomeland santonin. Then \ grain emetin was given daily hypoderm-ically. In four days there was a complete relief of symptomsand the patient was Fig. 98.—Entamoeba histolytica, motile form. Case X.—An English mercantile agent had come up on ariver boat, and a week before had laid over two days for three days he had severe diarrhea, ten to twelve evacuationsdaily, with grayish, bloody mucus, and considerable abdominalpain. His temperature was normal. Microscopic examinationof the mucus showed swarms of actively motile Entamoebahistolytica. He was given \ grain emetin hypodermically twicedaily. On the fourth day all symptoms disappeared, he feltperfectly well, and was dismissed. The really wonderful clinical improvement in these twocases was fairly typical of the results of emetin administrationin acute amebic dysentery. Yet neither case was cured And INTESTINAL PROTOZOA IN CLINICAL PRACTICE 411 it is doubtful if hypodermic emetin alone ever did cure anamebiasis. Its effect on the acute florid symptoms is somewhatanalogous to the effect of salvarsan on florid acute syphilis.


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