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Pediatric Diffuse Leptomeningeal Glioneuronal Tumors: Diagnosis, Follow-up, and Treatment Options
Ali Ozen1, Bahattin Tanrikulu, Ayca Ersen Danyeli
1Acibadem University Faculty of Medicine, Department of Neurosurgery, Istanbul, Türkiye.
Aim:
To highlight the diagnosis, follow-up, and treatment options for diffuse leptomeningeal glioneuronal tumor (DLGNT) by examining pediatric patients diagnosed with DLGNT by molecular pathological evaluation and next generation sequencing at our center.
Material And Methods:
In this retrospective analysis, patients diagnosed with DLGNT between January 2017 and December 2022 are outlined according to their demographic data, radiological data, pathology results, treatments, and follow-up data.
Results:
Four patients were diagnosed with DLGNT. All the patients were male. The mean age was 6.5 years. All but one patient had symptoms of increased intracranial pressure. An open biopsy was obtained from all patients for diagnosis. Three patients received radiotherapy and chemotherapy after the diagnosis. Two patients died during their follow-up, one of them in the early postoperative period. Two patients were clinically and radiologically stable in their follow-up after treatment.
Conclusion:
Further work with larger cohorts is required to determine a common algorithm for DLGNT treatment and follow-up. This analysis may keep this entity in mind in patients with pediatric communicating hydrocephalus and may present insight into diagnosis, follow-up, and treatment options.
