Cases reported "Skin Ulcer"

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1/2. Demonstration of spotted fever group rickettsiae in the tache noire of a healthy person in sicily.

    A human case of rickettsial infection occurred in sicily following tick bite. The patient did not have fever, the typical nodular rash, or other symptoms of illness other than development of a tache noire containing spotted fever group rickettsiae, which were demonstrated by immunofluorescence. A high titer of antibodies of the IgG class suggests that the patient may have had previous exposure to rickettsia conorii or a related spotted fever group rickettsia. An anamnestic response may be hypothesized to have conferred partial immunity, with resulting containment of rickettsiae at the site of inoculation.
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ranking = 1
keywords = rickettsia
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2/2. Rickettsialpox: report of an outbreak and a contemporary review.

    Rickettsialpox is a mild illness characterized by the appearance of a primary eschar at the site of a mite bite followed by fever, headache, and a papulovesicular rash. It can be confused with a variety of illnesses including several other rickettsial diseases and chickenpox. R. akari, the etiologic agent, is a rickettsia belonging to the spotted fever group (SFG) of rickettsial illnesses. In spite of significant serologic cross-reactivity with other SFG agents, there is no convincing evidence of cross-immunity to these agents after recovery from rickettsialpox. Tetracyclinie is the drug of choice in the treatment of this disease.
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ranking = 0.5
keywords = rickettsia
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