What can be achieved by using MR-DWI and ADC value in cases of intramedullary spinal cord lesions of non-traumatic causes?

ConclusionOptimum diagnosis for non-traumatic intra-medullary spinal cord lesions can be achieved by using DWI and ADC value measurement.
Source: The Egyptian Journal of Radiology and Nuclear Medicine - Category: Nuclear Medicine Source Type: research

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We applied machine learning algorithms for differentiation of posterior fossa tumors using apparent diffusion coefficient (ADC) histogram analysis and structural MRI findings. A total of 256 patients with intra-axial posterior fossa tumors were identified, of whom 248 were included in machine learning analysis, with at least 6 representative subjects per each tumor pathology. The ADC histograms of solid components of tumors, structural MRI findings, and patients' age were applied to construct decision models using Classification and Regression Tree analysis. We also compared different machine learning classification algori...
Source: Frontiers in Oncology - Category: Cancer & Oncology Source Type: research
This article gives an overview o f the recent advances in the diagnostic/prognostic potential of miRNAs in a selection of pediatric CNS tumors: medulloblastoma, ependymoma, pilocytic astrocytoma, glioblastoma, diffuse intrinsic pontine glioma, atypical teratoid/rhabdoid tumors, and choroid plexus tumors.
Source: Cancer and Metastasis Reviews - Category: Cancer & Oncology Source Type: research
aliga S, Yeap BY, Berrington de Gonzalez A, Yock TI Abstract OBJECTIVE: The Pediatric Proton/Photon Consortium Registry (PPCR) is a comprehensive data registry composed of pediatric patients treated with radiation. It was established to expedite outcomes-based research. The attributes which allow the PPCR to be a successful collaboration are reviewed. METHODS AND MATERIALS: Current eligibility criteria are radiotherapy patients
Source: The British Journal of Radiology - Category: Radiology Authors: Tags: Br J Radiol Source Type: research
Abstract Medulloblastomas present generally a-specifically as a fast-evolving posterior fossa tumor. Medical literature is poor concerning clinical features of medulloblastomas and their potential significance. In the present study, we reviewed 91 pediatric observations of medulloblastomas treated in Lille between 1997 and 2017. Clinical and epidemiological variables were collected and intercorrelated. They were also compared with anatomical and pathological findings, and outcome, with the aim of defining clinical-pathological entities. We also compared the group with 32 cases of posterior fossa ependymoma and 130...
Source: Neuro-Chirurgie - Category: Neurosurgery Authors: Tags: Neurochirurgie Source Type: research
AbstractObjective5-Aminolevulinic acid (5-ALA) –guided resection of gliomas in adults enables better delineation between tumor and normal brain, allowing improved resection and improved patients’ outcome. Recently, several reports were published regarding 5-ALA for resection of pediatric brain tumors. The aim of the study was to determine th e intracellular fluorescence of protoporphyrin IX (PPIX) in pediatric brain tumors by hyperspectral imaging and to compare it with visually observed intraoperative fluorescence.Methods5-ALA was administered orally 4  h prior to surgery. During tumor resection, the surg...
Source: Acta Neurochirurgica - Category: Neurosurgery Source Type: research
Conclusion5-ALA could play a role in resection of pediatric brain tumors. However, further prospective clinical trials are needed.
Source: Acta Neurochirurgica - Category: Neurosurgery Source Type: research
ConclusionH3 K27M mutations are frequent in adult midline gliomas and have a prognostic role similar to H3 K27M wild-type high-grade tumors.
Source: Journal of Cancer Research and Clinical Oncology - Category: Cancer & Oncology Source Type: research
CONCLUSION: H3 K27M mutations are frequent in adult midline gliomas and have a prognostic role similar to H3 K27M wild-type high-grade tumors. PMID: 30610375 [PubMed - as supplied by publisher]
Source: Clin Med Res - Category: Research Authors: Tags: J Cancer Res Clin Oncol Source Type: research
Central nervous system (CNS)-type tumors and tumor-like proliferations arising in the gynecologic tract and pelvis are rare. Clinicopathologic features of 23 cases are reported using the current WHO classification system for CNS tumors, with selected relevant immunohistochemical and molecular genetic analyses when possible. There were 12 embryonal tumors, including 7 medulloepitheliomas, 2 embryonal tumors (not otherwise specified), 1 embryonal tumor with multilayered rosettes, 1 embryonal tumor with features of nodular desmoplastic medulloblastoma, and 1 medulloblastoma with extensive nodularity, with primary sites includ...
Source: The American Journal of Surgical Pathology - Category: Pathology Tags: Original Articles Source Type: research
ConclusionThe original diagnostic tool gave modest accuracy when tested prospectively on multicentre data. Increasing the dataset provided a diagnostic tool based on MR spectroscopy peak height measurement with high levels of accuracy for multicentre data.
Source: Pediatric Radiology - Category: Radiology Source Type: research
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