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  • Title: Plasma cell granuloma of the middle ear and mastoid. Case report.
    Author: Benton NC, Korol HW, Smyth LT.
    Journal: Ann Otol Rhinol Laryngol; 1992 Jan; 101(1):92-4. PubMed ID: 1728892.
    Abstract:
    We present the case of a 37-year-old man with plasma cell granuloma affecting the middle ear and mastoid. At magnetic resonance imaging scan, the lesion appeared as a homogeneously enhancing mass of soft tissue replacing the majority of the mastoid bone and causing vascular compression. After surgical resection, microscopic examination showed predominantly plasmacytes, and histochemical studies confirmed a polyclonal origin consistent with nonneoplastic plasma cell granuloma. We believe this is the first case report of plasma cell granuloma affecting the middle ear and mastoid.
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