Pediatric neurosurgery · 2021
RELA Fusion-Positive Ependymoma in a Child with Down Syndrome: A Case Report.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Chan Julie L, Kashanian Alon, Bannykh Serguei I, Majlessipour Fataneh, Breunig Joshua J, Danielpour Moise
Аннотация
INTRODUCTION: Down syndrome (DS) is the most common multiple malformation syndrome in humans and is associated with an increased risk of childhood malignancy, particularly leukemia. Incidence of brain tumors in patients with DS is limited to sporadic cases. We report the first case of a RELA fusion-positive ependymoma in a 3-year-old boy with DS.
CASE PRESENTATION: Imaging prompted by new left-sided hemiparesis demonstrated an 8-cm hemorrhagic right temporal-parietal mass. Subsequent image-complete resection confirmed a RELA fusion-positive anaplastic ependymoma with 90% OLIG2 staining. Postoperatively, the patient, unfortunately, experienced fatal recurrence and drop metastases with leptomeningeal involvement.
CONCLUSION: To our knowledge, this is the first reported case of a confirmed RELA fusion-positive ependymoma in a child with DS. We discuss this finding in the context of intracranial tumors in children with DS, as well as the finding of 90% positive OLIG2 expression and its potential as a prognostic marker.
CASE PRESENTATION: Imaging prompted by new left-sided hemiparesis demonstrated an 8-cm hemorrhagic right temporal-parietal mass. Subsequent image-complete resection confirmed a RELA fusion-positive anaplastic ependymoma with 90% OLIG2 staining. Postoperatively, the patient, unfortunately, experienced fatal recurrence and drop metastases with leptomeningeal involvement.
CONCLUSION: To our knowledge, this is the first reported case of a confirmed RELA fusion-positive ependymoma in a child with DS. We discuss this finding in the context of intracranial tumors in children with DS, as well as the finding of 90% positive OLIG2 expression and its potential as a prognostic marker.