Abstract
Purpose
Pineal region tumors (PRT) represent less than 1% of brain neoplasms. The rare and heterogeneous nature of these tumors is reflected in the variety of treatment modalities employed.
Methods
A single-center retrospective review of all pediatric patients with pineal region tumors between November 1996 and June 2021 was performed. Fifty-six cases of pineal tumors were reviewed for age and symptoms upon presentation, diagnostic methods, imaging characteristics, histological classification, treatment modalities, recurrence, and mortality rates.
Results
The average age at diagnosis was 11.3 years. The majority of patients were male (82.1%) and Caucasian (73.2%). The most common presenting symptoms were headache (n = 38, 67.9%) and visual problems (n = 34, 60.7%). Hydrocephalus was present in 49 patients (87.5%). Germinoma (n = 20, 35.7%) and non-germinomatous germ cell tumor (NGGCT) (n = 17, 30.4%) were the most common tumors. Chemotherapy was employed for 54 patients (96.4%), radiation for 49 (87.5%), and surgical resection for 14 (25.0%). The average duration of treatment was 5.9 months. Progression-free survival was 74.4% at 5 years and 72.0% at 10 years. Overall survival was 85.7% at 5 years and 77.1% at 10 years.
Conclusion
Treatment of pineal region tumors must be targeted to each patient based on presentation, subtype, presence of hydrocephalus, and extent of disease. Upfront surgical resection is usually not indicated. As advances in oncological care proceed, treatment modalities may continue to improve in efficacy.
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Data availability
The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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Conceptualization: Michael H. Handler; methodology: Michael H. Handler, Noor Malik, Derek C. Samples, Nicholas K. Foreman, Kathleen Dorris, and Todd C. Hankinson; formal analysis and investigation: Sarah Graber, Noor Malik, Derek C. Samples, Megan Finneran, and Gregory Norris; writing—original draft preparation: Noor Malik; writing—review and editing: Michael H. Handler, Derek C. Samples, Sarah Graber, Gregory Norris, and Nicholas K. Foreman; supervision: Michael H. Handler.
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Malik, N., Samples, D.C., Finneran, M.M. et al. Pediatric pineal region masses: a single-center experience over 25 years. Childs Nerv Syst 39, 2307–2316 (2023). https://doi.org/10.1007/s00381-022-05593-6
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DOI: https://doi.org/10.1007/s00381-022-05593-6