In discussing the differential diagnosis of diphtheria, Plaut,1 in 1894, described another form of angina in which he found constantly fusiform bacilli and spirochetes, "Miller'schen Bacillen and Miller'schen Spirochaeten." In 1895, Vincent,2 writing about the fusospirochetal etiology of hospital gangrene, related that the fusiform bacillus was very similar to a type of noncultivable bacillus found in certain "diphtheroid anginas," which he stated that he observed for the first time in 1893. However, as early as 1883, von Strümpell spoke about "angina necroticans," which in all probability was the fusospirochetal angina. For obvious reasons, fusospirachetal angina is a more descriptive name than "Plaut-Vincent angina."
That these organisms are present in the normal healthy mouth is generally known (Plaut, Vincent, Muhlens, Kolle, Onorato, Beck, Tenney and others3); moreover, in a healthy mouth they are not very numerous. The exact classification of these organisms is still somewhat doubtful (Kolle and
GOLDMAN L, KULLY HE. FATAL FUSOSPIROCHETAL ANGINAREPORT OF SEVEN CASES. JAMA. 1933;101(5):358–362. doi:10.1001/jama.1933.02740300026009
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