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      Castleman's disease in childhood: report of three cases and review of the literature

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          Abstract

          Castleman's disease (CD) is a rare, localized or generalized, lymphoproliferative disorder with a frequent mediastinal location, but possible in any lymph node or extra nodal site. It usually appears in young adults whilst it rarely occurs in childhood. There are only about 100 pediatric cases published, five of them in Italy. We report 3 cases of localized Castleman's disease, investigated in our Department in a 3 years period and reviewed the literature.

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          Most cited references43

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          Localized mediastinal lymphnode hyperplasia resembling thymoma.

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            Hyaline-vascular and plasma-cell types of giant lymph node hyperplasia of the mediastinum and other locations.

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              Pathogenic significance of interleukin-6 (IL-6/BSF-2) in Castleman's disease.

              Castleman's disease is a syndrome consisting of giant lymph node hyperplasia with plasma cell infiltration, fever, anemia, hypergammaglobulinemia, and an increase in the plasma level of acute phase proteins. It has been reported that clinical abnormalities disappear after the resection of the affected lymph nodes, suggesting that products of lymph nodes may cause such clinical abnormalities. Interleukin-6 (IL-6) is a cytokine inducing B-cell differentiation to immunoglobulin-producing cells and regulating biosynthesis of acute phase proteins. This report demonstrates that the germinal centers of hyperplastic lymph nodes of patients with Castleman's disease produce large quantities of IL-6 without any significant production of other cytokines. In a patient with a solitary hyperplastic lymph node, clinical improvement and decrease in serum IL-6 were observed following surgical removal of the involved lymph node. There was a correlation between serum IL-6 level, lymph node hyperplasia, hypergammaglobulinemia, increased level of acute phase proteins, and clinical abnormalities. The findings in this report indicate that the generation of IL-6 by B cells in germinal centers of hyperplastic lymph nodes of Castleman's disease may be the key element responsible for the variety of clinical symptoms in this disease.
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                Author and article information

                Journal
                Ital J Pediatr
                Italian Journal of Pediatrics
                BioMed Central
                1824-7288
                2011
                20 October 2011
                : 37
                : 50
                Affiliations
                [1 ]Unit of Pediatric Hematology and Oncology, "G. Di Cristina" Children's Hospital, A.R.N.A.S., Palermo, Italy
                [2 ]Unit of Pathology, "Civico e Benfratelli" Hospital, A.R.N.A.S., Palermo, Italy
                [3 ]Pediatric Surgery Department, University of Padua, Padua, Italy
                [4 ]Unit of Oncological Radiotherapy, "Civico e Benfratelli" Hospital, A.R.N.A.S., Palermo, Italy
                [5 ]Unit of Pathology, San Bortolo Hospital, Vicenza, Italy
                Article
                1824-7288-37-50
                10.1186/1824-7288-37-50
                3219574
                22014148
                46fcdd3b-1fbe-4136-80ae-fabe1a02f1cd
                Copyright ©2011 Farruggia et al; licensee BioMed Central Ltd.

                This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 6 August 2011
                : 20 October 2011
                Categories
                Case Report

                Pediatrics
                outcome,childhood,histological subgroups,castleman's disease,differential diagnosis
                Pediatrics
                outcome, childhood, histological subgroups, castleman's disease, differential diagnosis

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