Descriptive analysis of histiocytic and dendritic cell neoplasms: A single-institution experience

Hye Min Kim, Woo Ick Yang, Chuhl Joo Lyu, Seung Min Hahn, Sun Och Yoon

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Purpose: Histiocytic and dendritic cell neoplasms are rare hematologic tumors. This study aimed to describe the epidemiologic features of the entire spectrum of histiocytic and dendritic cell neoplasms, including clinicopathological variables and patient outcomes. Materials and Methods: We comprehensively reviewed 274 patients who were diagnosed with histiocytic and dendritic neo-plasms at Severance Hospital, Seoul, South Korea between 1995 and 2018. Results: The most common neoplasm was Langerhans cell histiocytosis (LCH), followed by dermal xanthogranuloma. Among non-LCH sarcomas, histiocytic sarcoma (HS) showed a relatively high prevalence, followed by follicular dendritic cell sarcoma (FDCS). Disseminated juvenile xanthogranuloma (DJG), Erdheim-Chester disease (ECD), indeterminate dendritic cell tumor (IDCT), and interdigitating dendritic cell sarcoma (IDCS) rarely occurred. Generally, these tumors presented in childhood, al-though the non-LCH sarcoma (HS/FDCS/IDCS/IDCT) group of tumors and ECD occurred in late adulthood. Multiorgan involve-ment and advanced Ann-Arbor stage, as well as recurrence and death of disease, were not uncommon. The non-LCH sarcoma group had the worst overall survival, compared to the DJG, ECD, and LCH groups. Conclusion: Our findings indicate that histiocytic and dendritic cell neoplasms exhibit heterogeneous epidemiologic characteristics and that some patients may have unfavorable outcomes, especially those with non-LCH sarcoma.

Original languageEnglish
Pages (from-to)774-779
Number of pages6
JournalYonsei medical journal
Issue number9
Publication statusPublished - 2020

Bibliographical note

Publisher Copyright:
© Yonsei University College of Medicine 2020.

All Science Journal Classification (ASJC) codes

  • Medicine(all)


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