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Case Reports in Pathology
Volume 2015, Article ID 705843, 3 pages
Case Report

Parathyroid Adenoma with Prominent Lymphocytic Infiltrate

Department of Pathology, Faculty of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece

Received 21 November 2014; Accepted 20 February 2015

Academic Editor: Yoji Nagashima

Copyright © 2015 Alexandros Iliadis et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Only very few previously reported cases of pronounced lymphocytic infiltration in parathyroid adenoma can be found in the English medical literature. The objective of this report is to present such a rare case and to investigate to a certain extent the immunohistochemical profile of this rare histologic observation. The lymphoid cell population within the tumour was composed of nodule-forming B-cells and different subsets of infiltrating T-cells and caused minimal destruction of neoplastic tissue.