A new clinical entity characterized by subacute lymphadenitis, in which the lesion frequently suppurated and healed without a scar was reported in 1950 by Debré and his co-workers. The patients often had a history of being scratched by a cat. As pointed out in an editorial,1 while Foshay of Cincinnati was studying tularemia, he recognized the same entity, which was 20 years before the French workers described it. He prepared an antigen from the pus of an involved lymph node that gave positive reaction on intradermal injections. Foshay did not report these observations; however, he had given Debré a supply of his antigen. In 1889, Parinaud presented a report before the Ophthalmologic Society of Paris involving three cases of conjunctivitis, acquired from slaughterhouse animals, in which the regional lymph nodes were enlarged. Allen defined Parinaud's oculoglandular syndrome as a conjunctivitis with a definite clinical picture.
Debré found that his
IF THE CAT SCRATCHES. JAMA. 1960;173(15):1665–1666. doi:10.1001/jama.1960.03020330033009
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