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Volume 12, Number 9—September 2006

Research

Histologic Features and Immunodetection of African Tick-bite Fever Eschar

Hubert Lepidi*, Pierre-Edouard Fournier*, and Didier Raoult*Comments to Author 
Author affiliations: *Université de la Méditerranée, Marseille, France

Main Article

Figure 4

Quantification of inflammatory changes in inoculation eschars from patients with African tick-bite fever (Rickettsia africae, n = 8) and patients with Mediterranean spotted fever (R. conorii, n = 15). Surface areas expressing CD15, CD68, CD3, CD20, and Factor VIII were quantified after immunostaining. Quantification of each parameter was evaluated by computer-assisted analysis of digitized microscopic images. Results were normalized and expressed as a percentage of the total skin tissue surface

Figure 4. Quantification of inflammatory changes in inoculation eschars from patients with African tick-bite fever (Rickettsia africae, n = 8) and patients with Mediterranean spotted fever (R. conorii, n = 15). Surface areas expressing CD15, CD68, CD3, CD20, and Factor VIII were quantified after immunostaining. Quantification of each parameter was evaluated by computer-assisted analysis of digitized microscopic images. Results were normalized and expressed as a percentage of the total skin tissue surface area. Columns represent mean values ± standard error.

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