Abstract
Purpose: In this article, we aimed to contribute to the literature by describing our approach to pediatric pineal and tectal masses treated with endoscopic interventions in our clinic.
 Materials and methods: We retrospectively reviewed the records of 26 patients with lesions in the pineal and tectal regions who underwent endoscopic procedures between 2012 and 2023 at Gazi University Department of Pediatric Neurosurgery. Demographic data, blood tumor markers (alpha fetoprotein-BETA AFP, alpha fetoprotein-β-hCG), pathological diagnoses, reasons for clinical presentation, presence of hydrocephalus and additional interventions were analyzed. 
 Results: Of the 26 patients who underwent endoscopic procedure, 6 had lesions in the pineal region and 20 had lesions in the tectal region. The success rate for ETV was 75-80%. The success rate for ETV was 78.3% for patients with tumors in the pineal region and 84% for tectal tumors.
 Conclusion: Pineal or tectal region tumors are a rare group of tumors. In addition, these regions are among the most heterogeneous regions in the central nervous system in terms of tumor type and histology. Endoscopic intervention through a single burr hole using rigid endoscopy is a comfortable and safe minimally invasive method for both pathologic sampling and management of hydrocephalus in indicated cases in the same session.
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