Primary lymphoma of mucosa associated lymphoid tissue (MALT) in the parotid gland

Authors

  • A. J. M BALM,

    Corresponding author
    1. Department of Otolaryngology/Head and Neck Surgery, The Netherlands Cancer Institute, Amsterdam, The Netherlands
      Correspondence: Dr A. J. M. Balm, Department of Otolaryngology/Head & Neck Surgery, The Netherlands Cancer Institute, (Antoni van Leeuwenhoek Huis), Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands.
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  • P. DELAERE,

    1. Department of Otolaryngology/Head and Neck Surgery, Academic Hospital St Raphael, Leuven, Belgium
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  • F. J. M. HILGERS,

    1. Department of Otolaryngology/Head and Neck Surgery, The Netherlands Cancer Institute, Amsterdam, The Netherlands
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  • R. SOMERS,

    1. Department of Medical Oncology, The Netherlands Cancer Institute, Amsterdam, The Netherlands
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  • P. VAN HEERDE

    1. Department of Pathology, The Netherlands Cancer Institute, Amsterdam The Netherlands
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Correspondence: Dr A. J. M. Balm, Department of Otolaryngology/Head & Neck Surgery, The Netherlands Cancer Institute, (Antoni van Leeuwenhoek Huis), Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands.

Abstract

Malignant lymphoma of the parotid gland is a rare condition. In a series of 365 malignant lymphomas of the head and neck seven cases (1.9%) presented with a stage I/II MALT lymphoma of the parotid gland, originating from Mucosa Associated Lymphoid Tissue (MALT) and exhibiting the histological criteria of a centrocyte-like cell proliferation, surrounding reactive B-cell follicles. There were six men and one woman with a mean age of 50.1 years. In four patients the parotid mass was present for more than one year. Complete remission was obtained by radiotherapy (40 Gy). Prognosis for this group was found to be favourable with a follow-up ranging from 1.5 to 10 years.

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