Rubinstein-Taybi syndrome predisposing to non-WNT, non-SHH, group 3 medulloblastoma

Franck Bourdeaut, Catherine Miquel, Wilfrid Richer, Jacques Grill, Michel Zerah, Camille Grison, Gaelle Pierron, Jeanne Amiel, Clementine Krucker, Francois Radvanyi, Laurence Brugieres, Olivier Delattre

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    Abstract

    Medulloblastomas (MB) are classified in four subgroups: the well defined WNT and Sonic Hedgehog (SHH) subgroups, and the less defined groups 3 and 4. They occasionally occur in the context of a cancer predisposition syndrome. While germline APC mutations predispose to WNT MB, germline mutations in SUFU, PTCH1, and TP53 predispose to SHH tumors. We report on a child with a Rubinstein-Taybi syndrome (RTS) due to a germline deletion in CREBBP, who developed a MB. Biological profilings demonstrate that this tumor belongs to the group 3. RTS may therefore be the first predisposition syndrome identified for non-WNT/non-SHH MB.

    Original languageEnglish
    Pages (from-to)383-386
    Number of pages4
    JournalPediatric Blood and Cancer
    Volume61
    Issue number2
    DOIs
    Publication statusPublished - 1 Feb 2014

    Keywords

    • CREBBP
    • Medulloblastoma
    • Predisposition
    • Rubinstein-Taybi syndrome

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