Sawyer, J R Identification of isochromosome 1q as a recurring chromosome aberration in skull base chordomas: a new marker for aggressive tumors? [electronic resource] - Neurosurgical focus Mar 2001 - E6 p. digital Publication Type: Journal Article ISSN: 1092-0684 Standard No.: 10.3171/foc.2001.10.3.7 doi Subjects--Topical Terms: AdolescentAdultAgedChordoma--geneticsChromosome AberrationsChromosome BandingChromosomes, Human, Pair 1--geneticsFemaleGenetic MarkersHumansKaryotypingMaleMiddle AgedPrognosisSkull Base Neoplasms--genetics