neuroblastoma
Loss of heterozygosity at the Ink4a/Arf gene locus was observed in 5/5 malignant gliomas and 1/1 neuroblastoma, while the PTEN(phosphatase and tensin homologue) gene locus was unaffected by deletions.
Loss of heterozygosity at the <span class="gene" id="15814359-7-30-35">Ink4a</span>/<span class="gene" id="15814359-7-36-39">Arf</span> gene locus was observed in 5/5 malignant gliomas and 1/1 <span class="disease" id="15814359-7-97-110">neuroblastoma</span>, while the PTEN(phosphatase and tensin homologue) gene locus was unaffected by deletions.