1996
Variations in the natural history and survival of patients with supratentorial low-grade astrocytomas.
Piepmeier J, Susan Christopher R, Spencer D, Byrne T, Kim J, Knisel J, Lacy J, Tsukerman L, Makuch R. Variations in the natural history and survival of patients with supratentorial low-grade astrocytomas. Neurosurgery 1996, 38: 872-8; discussion 878-9. PMID: 8727811, DOI: 10.1097/00006123-199605000-00002.Peer-Reviewed Original ResearchConceptsLow-grade astrocytomasGross total resectionChronic epilepsySupratentorial low-grade astrocytomasNatural historyGross total tumor resectionImmediate postoperative radiotherapyExtent of surgerySurvival of patientsTen-year survivalPopulation of patientsUse of radiotherapyRisk of recurrenceHigh-grade lesionsLength of survivalMore malignant tumorsTypes of symptomsAggressive surgeryPostoperative radiotherapyPreoperative symptomsConsecutive patientsBetter prognosisTumor recurrenceTumor resectionMalignant tumors
1993
Low-grade astrocytomas may arise from different astrocyte lineages.
Piepmeier J, Fried I, Makuch R. Low-grade astrocytomas may arise from different astrocyte lineages. Neurosurgery 1993, 33: 627-32. PMID: 8232801, DOI: 10.1227/00006123-199310000-00010.Peer-Reviewed Original ResearchConceptsLow-grade astrocytomasGlial fibrillary acidic protein-positive cellsFibrillary acidic proteinProtein-positive cellsAstrocyte lineagePreoperative symptomsAnti-glial fibrillary acidic proteinAcidic proteinGlial fibrillary acidic proteinLong preoperative historyCommon histological featuresDifferent clinical manifestationsPercentage of cellsPreoperative historyClinical manifestationsHistological featuresImaging featuresRate of proliferationImmunohistochemical analysisAstrocytic phenotypeNeoplastic cellsType 2White matterAstrocytomasTumors