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OUTCOME OF PEDIATRIC NODULAR LYMPHOCYTE PREDOMINANT HODGKIN LYMPHOMA, IS ABVD THE BEST REGIMEN? 10 YEARS SINGLE CENTER EXPERIENCE, REPORT FROM CHILDREN CANCER HOSPITAL, EGYPT.

PB2000

Madney, Y.1; abdallha, A.1; Ahmed, S.3; romeih, M.4; fikry, S.5; zaghloul, M.6; taha, H.7; Mohammed, E.8; attia, I.9

doi: 10.1097/01.HS9.0000566492.88815.1b
Publication Only: Hodgkin lymphoma - Clinical
Free

1Pediatric oncology, National Cancer Institute Cairo University, Children Cancer Hospital Egypt 57357, cairo

3Clinical oncology and Nuclear medicine department, Aswan university, Aswan

4Radiodiagnosis

5clinical pharmacology

6radiation oncology

7clinical pathology

8Clinical research, Children Cancer Hospital Egypt 57357

9pediatric oncology, National Cancer Institute Cairo University,Children Cancer Hospital Egypt 57357 National Cancer Institute, Cairo university, cairo, Egypt

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Background:

Nodular lymphocyte predominant Hodgkin lymphoma (NLPHL) is an uncommon subtype of Hodgkin lymphoma (HL) in children and accounts for 5-10% of all pediatric HL.

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Aims:

The aim of the study to analyze the clinical characteristics and treatment outcome of Pediatric NLPHL.

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Methods:

Retrospective study including all newly diagnosed patients less than 18 years old with NLPHL and treated in children cancer hospital Egypt CCHE between 2007 and 2017.

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Results:

Among 43 pediatric NLPHL patients, 29 had early stage (18 with stage I, 11 with stage II). Fourteen patients had advanced stage (7 with stage III & 7 with stage IV). Eleven patients had a mediastinal disease, 8 patients had splenic involvement, 2 patient had bulky disease and 10 patient had B symptoms at diagnosis.

28 Patients with Early-stage disease treatment; surgery and observation 6 patients, Chemotherapy 6 patients and Combined modality 17 patients. Relapse was seen in 7(25%) patients, 1 observation arm, 3 from chemotherapy arm (ABVD) and 3 from the combined arm (ABVD+IFRTH). 14 advanced stage patients received treatment; Chemotherapy (ABVD) 6 patients, Combined (ABVD+IFRTH) 8 patients, Relapse in 7 (50%) patients (all stage 4 disease), 6 from chemotherapy arm and 1 from the combined arm. 2 patients died (stage IV) from progressive disease and sepsis. B symptoms, mediastinal and splenic involvement had a significant impact on DFS on univariate analysis while combined treatment modality (Chemotherapy and Radiotherapy) had an impact on the outcome of both univariate and multivariate analysis.

5 Years DFS, OS for whole group was 64% and 94% respectively, while 5y DFS for early stage 83% and advanced stage 45% (p-value = .01) and 5 Years OS for early stage was 100% and advanced stage 87 % (p-value = .08).

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Summary/Conclusion:

Early stage NLPHL had a better outcome but unexpected higher relapse in chemotherapy treatment arm raising a question about the role of radiotherapy while advanced stage disease had poor outcome rising a question of what should be the best chemotherapy regimen for pediatric NLPHL patients.

Copyright © 2019 The Authors. Published by Wolters Kluwer Health Inc., on behalf of the European Hematology Association.