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10.06.2024 | Research

The occipital interhemispheric transtentorial approach in infants and toddlers: efficacy and complications

verfasst von: Ashley Ricciardelli, Rita Snyder, William E. Whitehead, Howard L. Weiner, Daxa Patel, Nisha Gadgil, Guillermo Aldave

Erschienen in: Child's Nervous System | Ausgabe 8/2024

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Abstract

Introduction

Outcomes for pineal region and superior cerebellar tumors in young children often hinge on extent of microsurgical resection, and thus choosing an approach that provides adequate visualization of pathology is essential. The occipital interhemispheric transtentorial (OITT) approach provides excellent exposure while minimizing cerebellar retraction. However, this approach has not been widely accepted as a viable option for very young children due to concerns for potential blood loss when incising the tentorium. The aim of this paper is to characterize our recent institutional experience with the occipital interhemispheric transtentorial approach (OITT) for tumor resection in infants and toddlers.

Methods

A retrospective study was performed between 2016 and 2023 of pediatric patients less than 36 months of age who underwent OITT for tumor resection at a high-volume referral center. Patients with at least 3 months of postoperative follow-up and postoperative MRI were included. Primary outcomes included extent of resection, intraoperative and postoperative complications, and neurologic outcome. Secondary outcomes included length of stay and estimated blood loss.

Results

Eight patients, five male, were included. The median age at the time of surgery was 10 months (range 5–36 months). Presenting symptoms included macrocephaly, nausea/vomiting, strabismus, gait instability, or milestone regression. Hydrocephalus was present preoperatively in all patients. Average tumor volume was 38.6 cm³, ranging from 1.3 to 71.9 cm³. All patients underwent an OITT approach for tumor resection with stereotactic guidance. No intraoperative complications occurred, and no permanent neurologic deficits developed postoperatively. Gross total resection was achieved in all cases per postoperative MRI report, and no instances of new cerebellar, brainstem, or occipital lobe ischemia were noted.

Conclusions

OITT approach for tumor resection in very young children (≤ 36 months) is an effective strategy with an acceptable safety profile. In our series, no significant intraoperative or postoperative complications occurred. To our knowledge, this is the first report describing this technique specifically in patients less than 36 months of age.

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Titel: The occipital interhemispheric transtentorial approach in infants and toddlers: efficacy and complications
verfasst von: Ashley Ricciardelli
Rita Snyder
William E. Whitehead
Howard L. Weiner
Daxa Patel
Nisha Gadgil
Guillermo Aldave
Publikationsdatum: 10.06.2024
Verlag: Springer Berlin Heidelberg
Erschienen in: Child's Nervous System / Ausgabe 8/2024
Print ISSN: 0256-7040
Elektronische ISSN: 1433-0350
DOI: https://doi.org/10.1007/s00381-024-06475-9

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The occipital interhemispheric transtentorial approach in infants and toddlers: efficacy and complications