Abstract
Purpose
Warthin tumour is the second most common benign tumour of the parotid gland. This study was designed to investigate the lymphatic vessels in Warthin tumours in an effort to understand better its pathogenesis.
Materials and methods
Tissue specimens of 31 patients (19 men and 11 women; mean age 57 years, median size of the tumours 2.86 cm) were analysed by means of immunohistochemistry applying the monoclonal antibody D2-40.
Results
We found numerous D2-40-positive sinus-like vessels particularly at the inner layer of the capsule.
Conclusions
Since subcapsular sinuses are a major morphological feature of lymph nodes in general, the finding of podoplanin expression in the large majority of subcapsular vessels in Warthin tumours confirms the view that this tumour has its origin in regional lymph nodes.
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Acknowledgement
We thank Mrs. Irmtrud Roth (Institute of Pathology, University of Mainz) for her expert technical assistance.
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Hansen, T., Kirkpatrick, C.J. Expression of podoplanin in Warthin tumours. Oral Maxillofac Surg 14, 223–226 (2010). https://doi.org/10.1007/s10006-010-0226-9
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DOI: https://doi.org/10.1007/s10006-010-0226-9