2013
Histological Predictors of Outcome in Ependymoma are Dependent on Anatomic Site Within the Central Nervous System
Raghunathan A, Wani K, Armstrong TS, Vera‐Bolanos E, Fouladi M, Gilbertson R, Gajjar A, Goldman S, Lehman NL, Metellus P, Mikkelsen T, Necesito‐Reyes M, Omuro A, Packer RJ, Partap S, Pollack IF, Prados MD, Robins HI, Soffietti R, Wu J, Miller CR, Gilbert MR, Aldape KD, Network C. Histological Predictors of Outcome in Ependymoma are Dependent on Anatomic Site Within the Central Nervous System. Brain Pathology 2013, 23: 584-594. PMID: 23452038, PMCID: PMC8028973, DOI: 10.1111/bpa.12050.Peer-Reviewed Original ResearchConceptsProgression-free survivalWorse progression-free survivalElevated mitotic rateAnatomic sitesPosterior fossaHistological featuresMicrovascular proliferationMitotic rateWorld Health Organization grade IIComposite histological scoresMultivariate Cox regressionWorse clinical outcomesSpecific histological featuresRelevant clinical variablesDetailed histological examinationClinical outcomesCox regressionSC tumorsClinical variablesHistological factorsPF tumorsGrade IIHistological scoresEpendymal canalHistological examination
2011
Potential utility of conventional MRI signs in diagnosing pseudoprogression in glioblastoma
Young R, Gupta A, Shah A, Graber J, Zhang Z, Shi W, Holodny A, Omuro A. Potential utility of conventional MRI signs in diagnosing pseudoprogression in glioblastoma. Neurology 2011, 76: 1918-1924. PMID: 21624991, PMCID: PMC3115805, DOI: 10.1212/wnl.0b013e31821d74e7.Peer-Reviewed Original ResearchConceptsEarly progressionMRI signsNegative predictive valuePredictive valueFinal diagnosisHigh negative predictive valueUseful MRI markerFisher's exact testSubependymal spreadSecond resectionRetrospective studyMass lesionSurgical specimensMRI markersPotential utilityClinical physiciansExact testMRI scansPatientsSubependymal enhancementLesionsGlioblastomaPseudoprogressionSignsDiagnosis