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Published on: October 19, 2014
Langerhans cell histiocytosis followed by hodgkin lymphoma: a case report
Akbar Safaei1, Mandana Bagheri1, Jahanbanoo Shahryari1
1Department of Pathology, Molecular Pathology and Cytogenetic Ward, Shiraz University of Medical Sciences, Iran;
Insights
Langerhans cell histiocytosis (LCH), typically benign, rarely progresses to malignancy. This case report details a rare instance of LCH followed by Hodgkin lymphoma, highlighting unusual disease progression.
Area of Science:
- Oncology
- Hematology
- Pathology
Background:
- Langerhans cell histiocytosis (LCH) is a rare clonal proliferative disease of bone marrow-derived Langerhans cells.
- Characterized by CD1a and S100 expression and Birbeck granules, LCH typically presents as a benign neoplasm, though rare malignant transformations occur.
Observation:
- This study presents a unique case of Langerhans cell histiocytosis (LCH) followed by Hodgkin lymphoma (HL).
Findings:
- The co-occurrence of LCH and malignant lymphoma is exceptionally rare.
- While malignant lymphoma preceding LCH has been documented, LCH developing after lymphoma is seldom reported.
Implications:
- This case contributes to understanding the rare but possible progression of LCH to secondary malignancies.
- Further research is warranted to elucidate the mechanisms underlying LCH transformation and its association with other hematological neoplasms.
Abstract:
Langerhans cell histiocytosis (LCH) is a rare neoplasm defined as the proliferation of bone marrow langerhans cells, which is a kind of dendritic cells. The major pathological features of LCH are expression of CD1a and S100 as well as Birbeck granules. Its presentation can differ from a mild bone lesion to a multi-systemic evolved malignant neoplasm; however, the latter outcome is almost rare. Thus, LCH is mostly known as a benign neoplasm. In this study, we present a case of LCH followed by Hodgkin lymphoma (HL). Accompaniment of this disease with malignant lymphoma is rare and considered as case report. Several cases in which malignant lymphoma occurred prior to LCH are reported; however, few cases can be found with LCH followed by malignant lymphomas.
