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• W4309015211 abstract "Abstract BACKGROUND Medulloblastoma represents the most common malignant pediatric brain tumor. Ophthalmic complications are possible sequelae. METHODS Pediatric medulloblastoma (MB) patients treated at the Medical University of Vienna from January 2012 to August 2021 were analyzed and their last ophthalmic assessment was reviewed. RESULTS Fifty-six MB patients could be included (71.4% non-WNT/non-SHH, 16.1% SHH-activated, 8.9% WNT-activated, 3.6% non-specified). Mean age at diagnosis was 7.2 years (range 0-19). Median follow-up to last ophthalmological assessment was 19.7 months (range 0.1-93.2). Thirty-four children underwent tumor resection at our hospital, their tumor localizations were: vermis (55.9%), floor of the 4th ventricle (26.5%), cerebellar hemispheres (11.8%), lateral recess (5.9%). Symptoms at presentation were evaluable for 51 children: 92.2% had symptoms of elevated intracranial pressure, 76.5% ataxia and 21.6% visual disturbances. Postoperative posterior fossa syndrome was observed in 11.1% of 54 children. 98.2% had chemotherapy as part of their initial treatment and all children older than four years (85.7%) received postoperative irradiation of the posterior fossa. In 13 (23.2%) intraventricular chemotherapy was applied. At the last follow-up 21 patients experienced relapse after primary treatment. At the final assessment, frequent neuro-ophthalmological abnormalities included: oculomotor disturbance (75%), esotropia (35.7%) including abducens palsy (12.5%), other cranial nerve palsies (21.4%), horizontal gaze-evoked nystagmus (51.8%), spontaneous nystagmus (16.1%), ocular tilt reaction (21.4%), and optic disc abnormalities (14.3%). Good visual acuity (≥20/25) was maintained in 62.5% patients. Visual field and optical coherence tomography was successfully performed in 75% and 66.1% of patients, respectively. Optic pathway lesions were detected in 4 patients (7.1%), including two cases with occipital metastases, one with optic nerve metastasis and one with leptomeningeal carcinomatosis. Orthoptic treatment with prisms and strabismus surgery was required in 14.3% and 7.7% of children, respectively. CONCLUSION Children with MB frequently suffer from neuro-ophthalmological late-effects. Regular monitoring is warranted to initiate appropriate management." @default.
• W4309015211 created "2022-11-20" @default.
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• W4309015211 date "2022-11-01" @default.
• W4309015211 modified "2023-09-25" @default.
• W4309015211 title "NCMP-10. NEURO-OPHTHALMOLOGICAL FINDINGS IN CHILDREN AND ADOLESCENTS WITH MEDULLOBLASTOMA - A RETROSPECTIVE ANALYSIS" @default.
• W4309015211 doi "https://doi.org/10.1093/neuonc/noac209.738" @default.
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