![]() ![]() Low sensitivities were noted for meningiomas and mesenchymal non-meningothelial, melanocytic, and germ cell tumours (range 0–56.25%). Sensitivity was slightly lower for astrocytic gliomas, oligodendrogliomas, and choroid plexus, neuronal, mixed neuronal-glial, embryonal, and histiocytic tumours (range 63.33–79.59%). Sensitivities were highest for ependymomas and sellar, pituitary, pineal, and cranial and/or paraspinal nerve tumours (range 80.65–100%). Results: Diagnostic accuracy differed significantly between tumour types and tumour grades. Diagnostic accuracy, sensitivity, specificity, confidence intervals, and positive and negative predictive values were calculated. Levels of agreement based on cellular origin, tumour type, and tumour grade were evaluated. Concordance between MRI report and final histopathological diagnosis was assessed using an established lexicon derived from the WHO 2016 classification of CNS tumours. A total of 550 children had complete radiological and histopathological notes, thereby reaching our inclusion criteria. Methods: Preoperative MRI reports of 608 children prior to resection or biopsy of an intracranial lesion were retrospectively reviewed. Policy of Dealing with Allegations of Research Misconductīackground: To investigate the accuracy of qualitative reporting of conventional magnetic resonance imaging (MRI) in the classification of paediatric brain tumours.Policy of Screening for Plagiarism Process. ![]()
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