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Updated: Jun 16, 2026
Identifying, Diagnosing, and Grading Malignant Peripheral Nerve Sheath Tumors in Genetically Engineered Mouse Models
Published on: May 17, 2024
Papillary glioneuronal tumor of the frontal lobe
Hema Mahajan1, Winny Varikatt, Mark Dexter
1Department of Tissue Pathology, Institute of Clinical Pathology and Medical Research, Westmead Hospital, Westmead, New South Wales, Australia. mahajanh22@yahoo.com.au
Abstract:
Glioneuronal tumors of the central nervous system (CNS) comprise a group of generally low-grade tumors expressing glial and neuronal cells of varying differentiation. Papillary glioneuronal tumor (PGNT) is a new tumor identified in the World Health Organization's classification of CNS tumors (2007). We report a patient with PGNT and highlight the diagnostic features, including a description of "spidery" astrocytes.
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