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  • Title: Systemic lupus erythematosus (SLE) lymphadenopathy presenting with histopathologic features of Castleman' disease: a clinicopathologic study of five cases.
    Author: Kojima M, Nakamura S, Itoh H, Yoshida K, Asano S, Yamane N, Komatsumoto S, Ban S, Joshita T, Suchi T.
    Journal: Pathol Res Pract; 1997; 193(8):565-71. PubMed ID: 9406250.
    Abstract:
    Lymph node enlargement is common in active systemic lupus erythematosus (SLE), a disease characterized by well defined clinical criteria. Although numerous reports have described the characteristic histology of SLE lymphadenopathy to include necrotizing lesions and hematoxylin bodies, no detailed description has examined the histopathologic features that are similar to Castleman's disease (CD) in SLE patients. In this report, we describe the clinicopathologic findings of CD-like peripheral lymphadenopathy, which was identified in five (26%) of 19 SLE patients. These five patients were all female with an age range of 24 to 44 years, and four of them presented with multicentric lymphadenopathy. They also had systemic symptoms and abnormal laboratory findings, indicating active disease, although two patients had not fulfilled the diagnostic criteria of SLE at the initial disease. The size of the enlarged lymph nodes seldom exceeded 2.0 cm in diameter, and biopsies revealed histopathologic features similar to CD, of intermediate type in three patients and hyaline vascular type in two according to the classification of Flendrig [7]. Immunohistochemical studies demonstrated polyclonal plasma cell populations in all five cases. Epstein-Barr virus genomes were detected in the small lymphocytes of two of the three cases examined by in situ hybridization studies. Recently, the histopathologic findings of CD have been associated with a disrupted immune response, and the present data suggest that SLE should be listed as one of the diseases showing the histopathologic features similar to CD.
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