The Craig Complement-Fixation Test for Amebiasis in Chronic Ulcerative Colitis

Practical Value and Significance of the Complement-Fixation Reaction in Amebiasis

“…The complement-fixation test is of valuein following the effect of treatment in amebiasis and in determining whether residual] symptoms are due to the persistence of theamebic infection. 8. A significant number of persons harbor--ing E histolytica in the intestine gave negative complement-fixation reactions.…”

“…tor,10, Kiefer,8 Tsuchiya,'3 and Weiss and Arnold.14'5 'A Th' specificity of the reaction as a" diagnostic measure in amebiasis has been satisfactorily established, and tIhei reports of its "use indi-cat'e that it is of considerable value in the diagnosis of obscure cases in which it is difficult or impossible to find Endamoeba histolytica in the stools, and in following the effect of treatment. In the reports thus far published the reaction has been positive in nearly all cases of clinical amebic dysentery and amebic abscess of the liver, ' in persons with obscure symptoms due to amebic infection, and in most infected persons who present no clinical symptoms.…”