Results 1 to 10 of about 978,890 (164)

Multimodal Computed Tomography Increases the Detection of Posterior Fossa Strokes Compared to Brain Non-contrast Computed Tomography

Frontiers in Neurology, 2020
Aims: Multimodal computed tomography (mCT) (non-contrast CT, CT angiography, and CT perfusion) is not routinely used to assess posterior fossa strokes.
Cecilia Ostman, Carlos Garcia-Esperon, Carlos Garcia-Esperon, Thomas Lillicrap, Thomas Lillicrap, Shinya Tomari, Elizabeth Holliday, Elizabeth Holliday, Christopher Levi, Christopher Levi, Andrew Bivard, Mark W. Parsons, Mark W. Parsons, Mark W. Parsons, Neil J. Spratt, Neil J. Spratt   +15 more
doaj   +2 more sources

Challenging anatomical paradigms: unexpected supratentorial localization of posterior fossa B ependymomas identified by DNA methylation [PDF]

Acta Neuropathologica Communications
Molecular subgroups of ependymomas are strongly associated with their primary anatomical compartments, namely the supratentorial region, posterior fossa and spine locations.
Pedro Piovesan Lago, Mariana Maschietto, Marllon Cindra Sant’Ana, Carlos Eduardo Ramos Fernandes, João Victor Alves de Castro, Felipe D’Almeida Costa, María Soledad Vega-Delgado, Julia Gabriela Ramos da Costa, Antonio Carlos dos Santos, Ricardo Santos de Oliveira, Marcelo Volpon Santos, Diego Souza Lima Fonseca, Carlos Alberto Scrideli, Elvis Terci Valera   +13 more
doaj   +2 more sources

Treatment implications of posterior fossa ependymoma subgroups

Chinese Journal of Cancer, 2016
Posterior fossa ependymoma comprises two distinct molecular entities, ependymoma_posterior fossa A (EPN_PFA) and ependymoma_posterior fossa B (EPN_PFB), with differentiable gene expression profiles.
Vijay Ramaswamy, Michael D. Taylor
doaj   +2 more sources

Posterior fossa cavernous malformation mimicking meningioma: A case report [PDF]

Radiology Case Reports
A 35-year-old man with a history of lumbar surgery and hyperlipidemia presented with a progressively enlarging, palpable, tender mass over the right occipital-parietal calvarium and associated headaches.
Daniel Valdivia, MS, Brennan Cook, MD, Nemanja Novakovic, MD, Andrew Egladyous, MD, Sarag Boukhar, MD, Misha Movahed-Ezazi, MD, Ada Baisre, MD, Srihari Sundararajan, MD, Jonathan Sherman, MD, Hai Sun, MD, PhD   +9 more
doaj   +2 more sources

RE-OPERATIVE CSF DIVERSION VERSUS DIRECT SURGICAL ATTACK IN POSTERIOR FOSSA TUMOURS WITH SECONDARY HYDROCEPHALUS [PDF]

Ain Shams Medical Journal, 2023
Background: Posterior fossa tumors could usually be complicated by secondary hydrocephalus due to obstruction or compression of the 4th ventricle. Aim of the work: To analyze the efficacy of preoperative CSF diversion versus direct tumour attack in long ...
Ahmed Zahran, Hussein Moharram, Mohamed Hany, Hatem Sabry, Ibrahim Abdelmohsen   +4 more
doaj   +1 more source

Seizures after posterior fossa surgery: Exploring the unknown: A systematic review

Apollo Medicine, 2021
Background: Seizures due to posterior fossa lesions is an uncommon phenomenon. In this study, a systemic literature review was done to (i) study the incidence of seizures in posterior fossa lesions, (ii) determine factors associated with high risk for ...
Ravish Keni, Luis Rafael Moscote-Salazar, Harsh Deora, G A Quiñones-Ossa, Amit Agrawal   +4 more
doaj   +1 more source

Concomitant bilateral posterior fossa and cervical spine subdural hematoma following anticoagulant therapy: A case report and literature review

Interdisciplinary Neurosurgery, 2023
Concomitant posterior fossa and spinal subdural hematoma (SDH) is an extremely rare disease entity. We present a chronic rheumatic valvular heart disease patient with atrial fibrillation on warfarin, diagnosed with posterior fossa and cervical spinal ...
Eyerusalem Bergene, Samuel Equar, Temesgen Wolde   +2 more
doaj   +1 more source

Automatic Machine Learning to Differentiate Pediatric Posterior Fossa Tumors on Routine MR Imaging

American Journal of Neuroradiology, 2020
This retrospective study included preoperative MR imaging of 288 pediatric patients with pediatric posterior fossa tumors, including medulloblastoma (n=111), ependymoma (n=70), and pilocytic astrocytoma (n=107).
H. Zhou, R. Hu, O. Tang, C. Hu, L. Tang, Ken Chang, Q. Shen, J. Wu, Beiji Zou, B. Xiao, J. Boxerman, W. Chen, Raymond Y. Huang, L. Yang, Harrison X. Bai, Cheng-Zhang Zhu   +15 more
semanticscholar   +1 more source

Deep Learning for Pediatric Posterior Fossa Tumor Detection and Classification: A Multi-Institutional Study

American Journal of Neuroradiology, 2020
This study cohort comprised 617 children (median age, 92 months; 56% males) from 5 pediatric institutions with posterior fossa tumors: diffuse midline glioma of the pons, medulloblastoma, pilocytic astrocytoma, and ependymoma.
J. Quon, W. Bala, L.-C. Chen, J. Wright, L. Kim, M. Han, K. Shpanskaya, E. Lee, E. Tong, Michael Iv, J. Seekins, M. Lungren, K. Braun, T. Poussaint, S. Laughlin, M. D. Taylor, R. Lober, H. Vogel, P. Fisher, G. A. Grant, V. Ramaswamy, N. Vitanza, C. Ho, M. Edwards, S. Cheshier, K. Yeom   +25 more
semanticscholar   +1 more source

Surgical Outcome in Posterior Fossa Tumours- A Retrospective Study [PDF]

Journal of Clinical and Diagnostic Research, 2021
Introduction: Posterior fossa tumours are the most common solid tumours in children, while 15 to 20% of adult brain tumour occurs in posterior fossa. Aim: To determine the surgical outcome of posterior fossa tumours.
SHAJI URAMBATH ABU, RANJITH CHITTIKAPPIL GOPALAN, RONY LOUIS, LIJO JOHN KOLLANNUR   +3 more
doaj   +1 more source