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  • Title: [Rhinolith--clinical and mineralogic aspects].
    Author: Nover HU, Flörke OW.
    Journal: Laryngol Rhinol Otol (Stuttg); 1983 Sep; 62(9):419-21. PubMed ID: 6633103.
    Abstract:
    A case report is presented on a patient with a rhinolith. Besides the clinical symptoms and the diagnostic procedures special emphasis is placed on the results obtained from mineralogical analyses. Chemical, thermal and x-ray diffraction analyses showed that the rhinolith consisted chiefly of siderite (FeCO3) and ferrihydrite (5Fe2O3 X 9H2O). Analysis via the scanning-electronmicroscope and thin-section analysis under the polarizing microscope revealed a nucleus of high iron content. In accordance with the literature an exogenic aetiology of the rhinolith is assumed.
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