Pyemotes ventricosus dermatitis, southeastern France
2008

Mite-Related Skin Condition in Southeastern France

Sample size: 42 publication Evidence: moderate

Author Information

Author(s): Del Giudice Pascal, Blanc-Amrane Véronique, Bahadoran Philippe, Caumes Eric, Marty Pierre, Lazar Mariléna, Boissy Christian, Desruelles François, Izri Arezki, Ortonne Jean-Paul, Counillon Evelyne, Chosidow Olivier, Delaunay Pascal

Primary Institution: Hôpital Bonnet, Fréjus, France

Hypothesis

Is Pyemotes ventricosus the cause of unusual pruritic dermatitis in southeastern France?

Conclusion

The study confirmed that the mite Pyemotes ventricosus is the causative agent of a specific dermatitis associated with a comet sign.

Supporting Evidence

  • The mite Pyemotes ventricosus was found in 12 out of 14 homes investigated.
  • Patients experienced persistent dermatitis until infested furniture was removed.
  • Oral prednisone effectively reduced pruritus within 48 hours.

Takeaway

Some people in southeastern France got itchy skin from a tiny mite that lives in furniture. Removing the infested furniture helped them feel better.

Methodology

An observational and entomologic study was conducted on patients with suspected arthropod-bite dermatitis, examining their homes and collecting mites.

Limitations

The study was limited to a specific geographic area and time frame, and the sample size was relatively small.

Participant Demographics

Patients were from southeastern France, with some living locally and others vacationing in the area.

Digital Object Identifier (DOI)

10.3201/eid1411.080288

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