Journal of Pathology and Translational Medicine

Review Articles

Ganglioglioma and gangliocytoma: a review for pathologists: Gianfranco E. Umeres-Francia, Melissa Mejia-Bautista, Pouya Jamshidi, Jared T. Ahrendsen; J Pathol Transl Med. 2026;60(4):379-387. Published online July 15, 2026; DOI: https://doi.org/10.4132/jptm.2026.06.06

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Abstract PDF: Ganglioglioma and gangliocytoma are rare, predominantly low-grade neuroepithelial tumors that commonly present with epilepsy in children and young adults. Advances in molecular profiling have improved understanding of their pathogenesis, highlighting key roles for the mitogen-activated protein kinase/ERK signaling pathway. Diagnosis relies on a combination of clinical, radiologic, and histopathologic features, with complete surgical resection offering the best clinical outcomes. This review summarizes current knowledge on their epidemiology, etiology, clinical presentation, imaging characteristics, pathology, treatment strategies, and prognosis.

Multiple sclerosis: a practical review for pathologists: Rachel A. Multz, Pouya Jamshidi, Jared T. Ahrendsen; J Pathol Transl Med. 2025;59(4):203-213. Published online June 27, 2025; DOI: https://doi.org/10.4132/jptm.2025.05.20

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Multiple sclerosis (MS) is an immune-mediated demyelinating disorder of the central nervous system. It is a chronic disorder resulting in neurologic dysfunction that is disseminated both in time (multiple discrete episodes) and space (involving multiple sites). Histologically, MS is characterized by localized loss of myelin with relative preservation of axons. This review will discuss the epidemiology, clinical, laboratory, radiologic, and pathologic features of multiple sclerosis, as well as briefly touch on the differential diagnosis, treatment, and prognosis of the disease, especially as they relate to the pathologic interpretation of tissue specimens.

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