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  • Title: [Idiopathic plasmacytic lymphadenopathy with polyclonal hyperimmunoglobulinemia and pleural effusion].
    Author: Mori T, Maeda K, Hasunuma K, Takahashi H, Dambara T, Tamayose K, Oshimi K, Miyamoto H, Tominaga S, Uekusa T, Fukuchi Y.
    Journal: Nihon Kokyuki Gakkai Zasshi; 2000 Apr; 38(4):288-92. PubMed ID: 10879032.
    Abstract:
    A 56-year-old man was admitted for further evaluation of mediastinal lymphadenopathy and left pleural effusion. A blood test revealed polyclonal hypergammaglobulinemia with an elevated erythrocyte sedimentation rate and level of C-reactive protein. Chest computed tomography disclosed bilateral hilar and multiple mediastinal lymph-node swelling and bilateral pleural thickening accompanied by a moderate amount of left pleural effusion. Biopsy specimens from mediastinal lymph nodes and the right pleura were obtained under video-assisted thoracoscopy. Histology on microscopic examination demonstrated mature plasma cells and lymphocyte infiltration in the conserved lymph-node structure and the pleura, suggesting a diagnosis of idiopathic plasmacytic lymphadenopathy (IPL) with polyclonal hyperimmunoglobulinemia. Interestingly, IL-6 was elevated in the pleural effusion but normal in serum. This was a rare and instructive case of IPL accompanied by pleural effusion that was considered to be an important determinant of the clinical spectrum of the disease.
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