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<p>Castleman disease (CD) represents a heterogeneous group of hematologic disorders characterized by distinct histopathological features. While CD is regarded as a pre-lymphomatous condition, its reactive or neoplastic nature is still a matter of controversy. Although rare, lymphoma has been reported in patients with CD, most commonly B-cell lymphomas. Here, we present a case of a 69-year-old man initially diagnosed with CD who subsequently developed angioimmunoblastic T-cell lymphoma (AITL) during treatment. To elucidate the potential biological relationship between these two disease entities, we performed whole-exome sequencing to compare genomic alterations between the two disease states. Additionally, we provide a concise review of published cases documenting lymphoma occurring after or coexisting with CD, summarizing patients’ characteristics and the various treatment strategies employed thus far.</p>

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Angioimmunoblastic T-cell lymphoma following Castleman’s disease: diagnostic challenges and literature review

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月28日

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  • Ruyi Xu,
  • Xi Huang,
  • Jia Hu,
  • Jinuo Wang,
  • Duoduo Zhao,
  • Xiaoyan Han,
  • Zhen Cai,
  • Wenjun Wu

摘要

Castleman disease (CD) represents a heterogeneous group of hematologic disorders characterized by distinct histopathological features. While CD is regarded as a pre-lymphomatous condition, its reactive or neoplastic nature is still a matter of controversy. Although rare, lymphoma has been reported in patients with CD, most commonly B-cell lymphomas. Here, we present a case of a 69-year-old man initially diagnosed with CD who subsequently developed angioimmunoblastic T-cell lymphoma (AITL) during treatment. To elucidate the potential biological relationship between these two disease entities, we performed whole-exome sequencing to compare genomic alterations between the two disease states. Additionally, we provide a concise review of published cases documenting lymphoma occurring after or coexisting with CD, summarizing patients’ characteristics and the various treatment strategies employed thus far.