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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Immunodeficiency-autoimmunity syndromes
Gunnar Houen
Autoimmunity Reviews.2026; 25(6): 104059. CrossRef
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Renata Perlikowska, Małgorzata Domowicz, Agnieszka Śliwińska, Mariusz Stasiołek
International Journal of Molecular Sciences.2026; 27(9): 4122. CrossRef
Unveiling Remyelinating Properties of Roflumilast in CPZ‐Induced Neuronal Demyelination in Mice
Ahmed S. Kamel, Israa Sameh, Mohamed A. Khattab, Ayman E. El‐Sahar, Hala F. Zaki, Osama A. Badary, Sama M. Farrag
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Bayes at the Bedside: Biomarkers in Situations of Clinical Uncertainty
Uwe Klaus Zettl, Michael Hecker
Diagnostics.2026; 16(11): 1699. CrossRef
Successful treatment with rituximab in unilateral relapsing primary CNS vasculitis: a ‍case report
Ryo Morikawa, Katsuhiko Kunitake, Junichiro Suzuki, Noriyoshi Nakai, Mari Yoshida, Yasuhiro Ito
Rinsho Shinkeigaku.2026;[Epub] CrossRef
White Matter in Crisis: Oligodendrocytes and the Pathophysiology of Multiple Sclerosis
Mario García-Domínguez
Cells.2025; 14(18): 1408. CrossRef
Tumefactive demyelinating lesions: a case report and literature review
Raneem Jaki, Zyad Al-Frejat, Ziad Bitar
BMC Neurology.2025;[Epub] CrossRef
Liquerologia: Uma ferramenta no diagnóstico de esclerose múltipla e outras doenças neurodegenerativas e desmielinizantes
Laura Maria de Araújo Pereira, Talyta Valeria Siqueira do Monte Guedes, Rafaell Batista Pereira, Davi Abrantes Lucena Messias, Marfran José Cunha Urtiga, Davi Rodrigues Vieira, Samuel da Costa Chaves Trindade Martins, José Guedes da Silva Júnior
Research, Society and Development.2025; 14(12): e72141249815. CrossRef

Newsletter

What’s new in neuropathology 2024: CNS WHO 5th edition updates: Heather Smith, Jared T. Ahrendsen; J Pathol Transl Med. 2024;58(6):346-349. Published online September 30, 2024; DOI: https://doi.org/10.4132/jptm.2024.09.11

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1,427 Download
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Abstract PDF

The fifth edition of the World Health Organization (WHO) Classification of Central Nervous System (CNS) Tumors was released in 2021, just five years following the updated fourth edition. Advanced molecular testing such as next-generation sequencing, RNA fusion analysis, and DNA methylation profiling has led to more precise grading and classification of pre-existing tumor types as well as the recognition of new ones. Herein, we outline the major updates of the 2021 WHO Classification of CNS tumors, with emphasis on the expanded molecular characterization of CNS tumors.

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Primary CNS Neuroblastoma, FOXR2‐Activated: Clinicopathological Study of Two Cases With Immunohistochemical Characterization and Literature Review
Sumanta Das, Sunita Ahlawat, Komal Agrawal, Salman Shaikh, Rakesh Kumar Gupta, Suman S. Karanth, Sandeep Vaishya, Rana Patir, Mehar Chand Sharma
Neuropathology.2026;[Epub] CrossRef
Deep Learning for Brain Tumour Analysis: A Systematic Review of CNN‐Transformer Hybrids in Multimodal Imaging
Solomon Buabeng Antwi, Peter Appiahene, Ben Beklisi Kwame Ayawli, Peter Nimbe, Vincenzo Positano
International Journal of Biomedical Imaging.2026;[Epub] CrossRef
Bioinformatics insights into ACSL1 and ACSL5: prognostic and immune roles in low-grade glioma
Cheng Zhang, Zhonghua Lv, Hongsheng Liang, Fulan Hu, Haoran Bi
BMC Cancer.2025;[Epub] CrossRef
Current Understanding of the Exosomes and Their Associated Biomolecules in the Glioblastoma Biology, Clinical Treatment, and Diagnosis
Aghdas Ramezani, Maryam Rahnama, Fatemeh Mahmoudian, Fatemeh Shirazi, Mahmoud Ganji, Shohreh Bakhshi, Bahman Khalesi, Zahra Sadat Hashemi, Saeed Khalili
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Diagnostic Utility of Intratumoral Susceptibility Signals in Adult Diffuse Gliomas: Tumor Grade Prediction and Correlation with Molecular Markers Within the WHO CNS5 (2021) Classification
José Ignacio Tudela Martínez, Victoria Vázquez Sáez, Guillermo Carbonell, Héctor Rodrigo Lara, Florentina Guzmán-Aroca, Juan de Dios Berna Mestre
Journal of Clinical Medicine.2025; 14(11): 4004. CrossRef
Glioblastoma in Puerto Rico: A 21-year population-based study
Carlos E Calderon-Valero, Esteban Rivera, Odaly Balasquide, Alejandro E Cedeño-Moran, Aixa De Jesus, Miguel Mayol Del Valle
Neuro-Oncology Advances.2025;[Epub] CrossRef
Brain Tumors, AI and Psychiatry: Predicting Tumor-Associated Psychiatric Syndromes with Machine Learning and Biomarkers
Matei Șerban, Corneliu Toader, Răzvan-Adrian Covache-Busuioc
International Journal of Molecular Sciences.2025; 26(17): 8114. CrossRef
Engineered bacteria/bacterial components strategy for glioma
Yan Zhu, Meilin Shen, Qi Chen, Huanghao Yang
Chemical Engineering Journal.2025; 525: 170539. CrossRef

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