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Mesenchymal Non-Meningothelial Tumors of the CNS: Evolving Molecular Landscape and Implications for Neuroradiologists.
AJNR Am J Neuroradiol
September 2024
(1) Department of Radiology, Mayo Clinic, Jacksonville, 4500 San Pablo Road, Jacksonville, FL 55902, USA (N.S, A.D, V.G, A.A), (2) Department of Nuclear Medicine, Sanjay Gandhi post graduate institute of medical science, Lucknow 226014, India, (MO), (3) University of Rochester, School of Medicine and Dentistry, Rochester NY 14620 (D.S), (4) Department of Radiology, Mayo Clinic, 200 1st Street SW, Rochester, MN 55902, USA (G.B), (5) Department of Radiology,619 19th St S, Birmingham, AL 35294 (AS).
The World Health Organization Classification of Tumors of the Central Nervous System (WHO CNS5) significantly revised the terminology and diagnostic criteria of "mesenchymal non-meningothelial" tumors of CNS to better align with the classification of these soft tissue tumors outside the CNS. The CNS chapter only covers the entities with distinct histological or molecular characteristics that occur exclusively or primarily in the CNS. These tumors usually arise from the meninges and are rarely intraparenchymal in origin, mainly in the supratentorial compartment.
View Article and Find Full Text PDFExtremely Rare Coexistence of Peripherally Located Mucous Gland Adenoma and Pulmonary Chondroid Hamartoma.
Br J Hosp Med (Lond)
September 2024
Department of Thoracic Surgery, Atatürk University, Faculty of Medicine, Erzurum, Turkiye.
Pulmonary mucous gland adenomas (MGAs) originating in mucous-secreting cells in the bronchi are extremely rare benign tumours. Pulmonary chondroid hamartomas (PCHs) are the most common benign neoplasms of mesenchymal origin of the lung. This study reports an unusual case where MGA and PCH coexisted in a peripheral intra-parenchymal location.
View Article and Find Full Text PDFMesenchymal Stromal Cell Implants for Chronic Motor Deficits After Traumatic Brain Injury: Post Hoc Analysis of a Randomized Trial.
Neurology
October 2024
From the Department of Neurological Surgery (D.O.O.), University of Pittsburgh Medical Center, PA; New England Institute for Neurology and Headache (P.M.), Stamford, CT; Department of Neurosurgery (A.S.A.), Loma Linda University Medical Center, CA; Department of Neurosurgery (Y.K.), The University of Tokyo Hospital, Japan; Department of Neurosurgery (M.K.), Hokkaido University Hospital, Sapporo, Japan; Department of Neurology (S.C.C.), University of California, Los Angeles; Westview Clinical Research (A.L.), Placentia, CA; Department of Translational Neurosciences (S.K.), Providence Saint John's Health Center, Santa Monica, CA; The Neurology Center of Southern California (B.M.F.), Carlsbad, CA; Department of Neurology (L.I.G.), University of California, Irvine; UCSF Weill Institute for Neurosciences (A.S.K.), Department of Neurology, University of California, San Francisco; Department of Neurology and Neurological Sciences (N.E.S.), and Stanford Stroke Center, Stanford University School of Medicine and Stanford Health Care, CA; Department of Neurological Surgery (J.W.C.), University of California, Irvine; JCHO Tokyo Shinjuku Medical Center (H.I.), Japan; Department of Neurological Surgery (T.Y.), Okayama University Graduate School of Medicine, Japan; SanBio, Inc. (D.C., B.N., D.B.), Mountain View, CA; Watson & Stonehouse Enterprises LLC (A.H.S.), Pacific Grove, CA; Massachusetts General Hospital and Harvard Medical School (R.M.R.), Boston; Department of Neurosurgery and Stanford Stroke Center (G.K.S.), Stanford University School of Medicine and Stanford Health Care, CA; Biostatistical Consulting Inc. (E.C.P.), Mountain View, CA; and Neurotrauma Rehabilitation Associates LLC (A.H.W.), Littleton, CO.
Background And Objectives: Traumatic brain injury (TBI) is frequently characterized by chronic motor deficits. Therefore, this clinical trial assessed whether intracranial implantation of allogeneic modified mesenchymal stromal (SB623) cells can improve chronic motor deficits after TBI.
Methods: Post hoc analysis of the double-blind, randomized, prospective, surgical sham-controlled, phase 2, STEMTRA clinical trial (June 2016 and March 2019) with 48 weeks of follow-up was conducted.
Primary intracranial pediatric ganglioneuroblastoma-report of two cases and review of an unusual masquerader.
Childs Nerv Syst
December 2024
Department of Pathology, Sri Sathya Sai Institute of Higher Medical Sciences, Bangalore, 560066, Karnataka, India.
Ganglioneuroblastoma (GNB) is a rare neurogenic tumor with a predilection for extracranial sites. Its primary intracranial occurrence is anecdotal, with less than ten cases reported in pediatric literature. We report two cases of this unusual entity.
View Article and Find Full Text PDFSpreading Through Air Spaces And Thinking About Lung Metastases.
Port J Card Thorac Vasc Surg
October 2023
Centro Hospitalar Vila Nova de Gaia/Espinho; Faculdade de Medicina da Universidade do Porto, Portugal.
Introduction: Spread through air spaces (STAS) is a novel pattern of invasion in primary lung cancers, which was introduced in the 2015 World Health Organization classification. Several studies have validated STAS to be a predictor of clinical outcome in lung adenocarcinoma. However, little is known about STAS as a mode of intraparenchymal diffusion of pulmonary metastases (PMs).
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