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Article

Classification of Pediatric Gangliogliomas Based on the Histological Infiltration

Department of Pathology, Faculty of Medicine, King Abdulaziz University, Jeddah 21589, Saudi Arabia
Curr. Oncol. 2022, 29(10), 6764-6775; https://doi.org/10.3390/curroncol29100532
Received: 25 July 2022 / Revised: 15 September 2022 / Accepted: 19 September 2022 / Published: 21 September 2022
Ganglioglioma is a well-circumscribed low-grade glioneuronal tumor with a broad morphological spectrum. Diffuse glioneuronal tumors are used to describe cases with infiltrative growth. Molecular studies of some of these cases are consistent with ganglioglioma. This work aimed to clarify the growth patterns in ganglioglioma. The available slides and clinical and molecular information for 46 patients (50 samples) with a diagnosis of ganglioglioma under the open pediatric brain tumor atlas from the children’s brain tumor network database were reviewed to confirm the integrated diagnosis and to evaluate the growth patterns in these cases. Ten samples from nine patients were excluded as no slides were available, the integrated diagnoses were changed in seven cases (nine samples), ten cases (ten samples) were diagnosed as low-grade glial/glioneuronal tumors, and the diagnosis of ganglioglioma was confirmed in seventeen samples from sixteen patients (nine females and seven males; age ranges from eight months–19 years with a mean of 9.9 years). Infiltration is defined as the presence of neoplastic cells among the nonneoplastic parenchyma. The growth pattern was predominantly circumscribed in six cases, predominantly infiltrative in five cases, and combined growth patterns in five cases. This work confirmed the presence of an infiltrative/diffuse variant of ganglioglioma as a significant pattern. The differential diagnosis in these cases was mainly infiltrative glioma, usually IDH-wild type in this population, which may introduce a high-grade glioma in the differential. Awareness of infiltrative ganglioglioma variants should be helpful in this scenario. View Full-Text
Keywords: ganglioglioma; glioneuronal tumor; infiltrative glioneuronal tumor; diffuse glioneuronal tumor; CNS; tumor ganglioglioma; glioneuronal tumor; infiltrative glioneuronal tumor; diffuse glioneuronal tumor; CNS; tumor
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MDPI and ACS Style

Alturkustani, M. Classification of Pediatric Gangliogliomas Based on the Histological Infiltration. Curr. Oncol. 2022, 29, 6764-6775. https://doi.org/10.3390/curroncol29100532

AMA Style

Alturkustani M. Classification of Pediatric Gangliogliomas Based on the Histological Infiltration. Current Oncology. 2022; 29(10):6764-6775. https://doi.org/10.3390/curroncol29100532

Chicago/Turabian Style

Alturkustani, Murad. 2022. "Classification of Pediatric Gangliogliomas Based on the Histological Infiltration" Current Oncology 29, no. 10: 6764-6775. https://doi.org/10.3390/curroncol29100532

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