Since antibiotics have become available, mastoiditis has become a rare disease in modern Western societies. However, it is still common in developing countries. It can be hypothesized that in earlier historical and prehistoric times, mastoiditis must have posed a serious threat to people's lives, and that the prevalence of this disease is probably underrepresented in the paleopathological literature. The present study identifies pathological changes in the pneumatized cells of the mastoid process in human skeletal samples from two early medieval cemeteries from Germany (Dirmstein: n = 152 mastoids, Rhens: n = 71 mastoids), using macroscopic, endoscopic, low-power microscopic, scanning-electron and light microscopic techniques, and draws some epidemiological conclusions as to the frequency of the disease diagnosed in the archaeological samples. Osseous changes because of mastoiditis were diagnosed in 83.4% of the temporal bones. The frequency in the skeletal sample from Dirmstein was higher than in the sample from Rhens. In both populations, males were more often affected than females and older individuals more often than younger individuals. The high frequency of mastoiditis observed was most likely due to an accumulation of osseous changes during individual lifetimes and supports the hypothesis that mastoiditis was a serious health problem in pre-antibiotic times. It may be assumed that subclinical forms of mastoiditis and their osseous manifestations may even nowadays occur more often than was previously thought. It is suggested that the disease should be given more consideration in paleopathological investigations.

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   |area=    PaleopathV1
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   |type=    RBID
   |clé=     pubmed:18773457
   |texte=   Mastoiditis--paleopathological evidence of a rarely reported disease.
}}

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