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Long-term follow-up of patients with nodular lymphocyte predominant Hodgkin lymphoma: A report from the Spanish Lymphoma Oncology Group

Journal

HEMATOLOGICAL ONCOLOGY
Volume 39, Issue 4, Pages 506-512

Publisher

WILEY
DOI: 10.1002/hon.2835

Keywords

Hodgkin lymphoma; long‐ term follow‐ up; lymphocyte predominant

Funding

  1. European Union [875160]

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Nodular lymphocytic predominance Hodgkin lymphoma (NLPHL) is a rare subtype of Hodgkin lymphoma with unique characteristics. The study found that patients had a good prognosis but there was a risk of tumor relapse, and treatment plans could be adjusted to reduce toxicity.
Nodular lymphocytic predominance Hodgkin lymphoma (NLPHL) is a very uncommon subtype of Hodgkin lymphoma (HL), representing approximately 5% of all HL cases, with an incidence of 0.3/100,000 cases per year and with unique characteristics which distinguish it from classic Hodgkin lymphoma. Given its low frequency, there is a lack of prospective randomized studies to inform practice, the accumulated experience of academic groups being the main source of relevant information for the management of these patients. Eighty-five patients recruited by the Spanish Lymphoma Group (GOTEL) from 12 different hospitals were retrospectively analyzed to describe their sociodemographic and clinical characteristics. The median follow-up was 16 years, with a 10-year overall survive of 92.9% and 81.2% at 20 years. Five patients developed a second malignancy. No transformation to a more aggressive lymphoma was detected. A total of 31% tumor relapses was found: 77% in a single location; most of them at a supra-diaphragmatic level. Patients received different first-line treatments, and progression was observed in 3/4 (75%) of the patients who did not receive any type of treatment, 6/23 (26%) who received both chemotherapy (CH) and radiotherapy (RT), 12/43 (27%) who received RT and 7/15 (47%) that received only CH treatment. The mean time to relapse was 3 years and 47% presented relapses beyond 5 years (higher probability in stage IV p < 0.001). This is one of the longest follow-up series of NLPHL published, confirming its excellent prognosis, and that treatments may be adapted to reduce toxicity. Causes of death in these patients are varied, and the minority due to a primary malignancy relapses.

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