Karyotype studies in 18 ependymomas with literature - Review of 107 cases

被引：47
作者：
Mazewski, C
Soukup, S
Ballard, E
Gotwals, B
Lampkin, B
机构：
[1] Cincinnati Childrens Med Ctr, Div Hematol Oncol, Atlanta, GA 30342 USA
[2] Cincinnati Childrens Med Ctr, Div Human Genet, Atlanta, GA 30342 USA
[3] Cincinnati Childrens Med Ctr, Div Pathol, Atlanta, GA 30342 USA
来源：
CANCER GENETICS AND CYTOGENETICS | 1999年 / 113卷 / 01期
关键词：
D O I：
10.1016/S0165-4608(99)00046-1
中图分类号：
R73 [肿瘤学];
学科分类号：
100214 ;
摘要：
Cytogenetic studies from 17 pediatric ependymomas and 1 ependymoblastoma are presented. Eight tumors had abnormal karyotypes. Another 107 published cases of cytogenetic analyses from pediatric and adult ependymomas or ependymoblastomas were reviewed. Of the total 125 tumors, 83 (66%) had abnormal karyotypes, of which 24 had a sole autosomal abnormality. Approximately one third had monosomy 22 (-22) or breakpoint 22q11 similar to 13, with a higher incidence in adult (56%) versus pediatric (28%) tumors. Structural abnormalities of chromosomes 1, 6, and 17, and numerical abnormalities of 7, 9, 12, and 20, in particular, are also discussed. Although no primary cytogenetic abnormality is evident, these findings may provide direction for additional investigations regarding the classification of these tumors. (C) Elsevier Science Inc., 1999. All rights reserved.
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页码：1 / 8
页数：8
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