Journal of Clinical and Experimental Hematopathology
Online ISSN : 1880-9952
Print ISSN : 1346-4280
ISSN-L : 1346-4280
Case Study
Classical Hodgkin Lymphoma Occurring in Association with Progressive Transformation of Germinal Center
Akiko Yashima-AboTakashi SatohKenji ShimosegawaYoji IshidaTomoyuki Masuda
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2014 Volume 54 Issue 3 Pages 205-209

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Abstract

Progressive transformation of germinal center (PTGC) represents an asymptomatic persistent form of lymphadenopathy. We present a case of classical Hodgkin lymphoma occurring in association with PTGC. The patient was a 60-year-old woman who had noted swelling of the submandibular lymph nodes. Histopathologically, the enlarged lymph nodes appeared as multiple nodules with ill-defined and irregularly expanded germinal centers. Immunohistochemical studies indicated that the germinal center cells comprised B cells that were positive for CD10 and CD20, and negative for bcl-2. Enlarged vascular endothelial cells were present in the interfollicular areas. CD30-positive Hodgkin & Reed-Sternberg cells were seen between the interfollicular area and the mantle zone, and were surrounded by CD3-positive T-cells. In situ hybridization studies demonstrated no expression of Epstein-Barr virus-encoded small RNA in the Hodgkin & Reed-Sternberg cells. A diagnosis of classical Hodgkin lymphoma complicated by PTGC was made from the lymph node specimen.

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© 2014 by The Japanese Society for Lymphoreticular Tissue Research
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