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Case Reports
. 2018;27(1):92-94.
doi: 10.1159/000486573. Epub 2018 Jan 3.

Tache Noire in a Patient with Acute Q Fever

Vito Fiore, Fabiola Mancini, Alessandra Ciervo, Paola Bagella, Francesca Peruzzu, Giuseppe Nunnari, Giovanni Andrea Deiana, Giovanni Rezza, Sergio Babudieri, Giordano Madeddu
Case Reports

Tache Noire in a Patient with Acute Q Fever

Vito Fiore et al. Med Princ Pract. 2018.

Abstract

Objective: To describe a rare case of acute Q fever with tache noire.

Clinical presentation and intervention: A 51-year-old man experienced acute Q fever showing tache noire, generally considered a pathognomonic sign of Mediterranean spotted fever (MSF) and MSF-like illness, but not a clinical feature of Q fever. The patient was treated with doxycycline 100 mg every 12 h.

Conclusion: In the Mediterranean area, tache noire should be considered pathognomonic of MSF but it should not rule out Q fever. Clinical diagnosis should be supported by accurate laboratory diagnostic tests to guide proper management.

Keywords: Mediterranean spotted fever; Q fever; Tache noire.

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Figures

Fig. 1
Fig. 1
a Tache noire at the lower medial surface of the right leg surrounded by circular erythema. b Complete remission after 14 days of doxycycline treatment.
See this image and copyright information in PMC

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