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024 7 _ |a 1365-2990
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024 7 _ |a DOI:10.1111/nan.70015
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024 7 _ |a DOI:10.1111/nan.70015
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037 _ _ |a DKFZ-2025-00744
041 _ _ |a English
082 _ _ |a 610
100 1 _ |a Keck, Michaela-Kristina
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245 _ _ |a Comparative Clinical and Imaging-Based Evaluation of Therapeutic Modalities in CNS Embryonal Tumours With PLAGL Amplification.
260 _ _ |a Oxford [u.a.]
|c 2025
|b Wiley-Blackwell
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520 _ _ |a Embryonal tumours with PLAGL1 or PLAGL2 amplification (ET, PLAGL) show substantial heterogeneity regarding their clinical characteristics and have been treated inconsistently, resulting in diverse outcomes. In this study, we aimed to evaluate the clinical behaviour of ET, PLAGL and elucidate their response pattern across the different applied treatment regimens.We conducted an in-depth retrospective analysis of clinical and serial imaging data of 18 patients with ET, PLAGL (nine each of PLAGL1 and PLAGL2 amplified).Patients with PLAGL1-amplified tumours (ET, PLAGL1) had fewer relapses (3/9), while PLAGL2-amplified tumours (ET, PLAGL2) were prone to early relapse or progression (8/9) and to distant, leptomeningeal and intraventricular relapses. Progression-free survival differed significantly between the subtypes (log-rank test, p = 0.0055). Postoperative treatment included chemotherapy (n = 17, various protocols), alone (n = 8) or combined with radiotherapy (n = 9). Responses to chemotherapy were observed in both subtypes, and incomplete resection was not associated with inferior survival. All three survivors with ET, PLAGL2 were treated with induction and high-dose chemotherapy with (n = 1-low-dose CSI and boost) or without (n = 2) radiotherapy, whereas five patients with less intensive chemotherapy relapsed. All six survivors with ET, PLAGL1 were treated with conventional chemotherapy regimens, with (n = 4-local radiotherapy n = 3; CSI and boost n = 1) or without (n = 2) radiotherapy. Two patients with ET, PLAGL1 relapsed after 8 years.Adjuvant therapy should be considered for all ET, PLAGL patients: Patients with ET, PLAGL2 might benefit from intensified chemotherapy regimens. In contrast, patients with ET, PLAGL1 showed superior outcomes without high-dose chemotherapy or craniospinal irradiation.
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650 _ 7 |a PLAGL1
|2 Other
650 _ 7 |a PLAGL2
|2 Other
650 _ 7 |a ET, PLAGL
|2 Other
650 _ 7 |a embryonal CNS tumour
|2 Other
650 _ 7 |a treatment
|2 Other
650 _ 7 |a DNA-Binding Proteins
|2 NLM Chemicals
650 _ 2 |a Humans
|2 MeSH
650 _ 2 |a Male
|2 MeSH
650 _ 2 |a Female
|2 MeSH
650 _ 2 |a Adult
|2 MeSH
650 _ 2 |a Adolescent
|2 MeSH
650 _ 2 |a Child
|2 MeSH
650 _ 2 |a Child, Preschool
|2 MeSH
650 _ 2 |a Gene Amplification
|2 MeSH
650 _ 2 |a Middle Aged
|2 MeSH
650 _ 2 |a DNA-Binding Proteins: genetics
|2 MeSH
650 _ 2 |a Brain Neoplasms: genetics
|2 MeSH
650 _ 2 |a Brain Neoplasms: therapy
|2 MeSH
700 1 _ |a Tietze, Anna
|b 1
700 1 _ |a Bison, Brigitte
|b 2
700 1 _ |a Avula, Shivaram
|b 3
700 1 _ |a Engelhardt, Julien
|b 4
700 1 _ |a Faure-Conter, Cécile
|b 5
700 1 _ |a Fenouil, Tanguy
|b 6
700 1 _ |a Figarella-Branger, Dominique
|b 7
700 1 _ |a Goebell, Einar
|b 8
700 1 _ |a Gojo, Johannes
|b 9
700 1 _ |a Haberler, Christine
|b 10
700 1 _ |a Hakumäki, Juhana
|b 11
700 1 _ |a Hayden, James T
|b 12
700 1 _ |a Korhonen, Laura S
|b 13
700 1 _ |a Koscielniak, Ewa
|b 14
700 1 _ |a Kramm, Christof M
|b 15
700 1 _ |a Kranendonk, Mariëtte E G
|b 16
700 1 _ |a Lequin, Maarten
|b 17
700 1 _ |a Ludlow, Louise E
|b 18
700 1 _ |a Meyronet, David
|b 19
700 1 _ |a Nyman, Per
|b 20
700 1 _ |a Øra, Ingrid
|b 21
700 1 _ |a Perwein, Thomas
|b 22
700 1 _ |a Pesola, Jouni
|b 23
700 1 _ |a Rauramaa, Tuomas
|b 24
700 1 _ |a Reddingius, Roel
|b 25
700 1 _ |a Samuel, David
|b 26
700 1 _ |a Schouten-van Meeteren, Antoinette Y N
|b 27
700 1 _ |a Sexton-Oates, Alexandra
|b 28
700 1 _ |a Vasiljevic, Alexandre
|b 29
700 1 _ |a von Kalle, Thekla
|b 30
700 1 _ |a Wefers, Annika K
|b 31
700 1 _ |a Wesseling, Pieter
|b 32
700 1 _ |a Zamecnik, Josef
|b 33
700 1 _ |a Zapotocky, Michal
|b 34
700 1 _ |a von Hoff, Katja
|b 35
700 1 _ |a Jones, David
|0 P:(DE-He78)551bb92841f634070997aa168d818492
|b 36
|e Last author
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773 _ _ |a DOI:10.1111/nan.70015
|g Vol. 51, no. 2
|0 PERI:(DE-600)2008293-9
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|p e70015
|t Neuropathology & applied neurobiology
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