Pathology of Ewing's sarcoma/PNET: Current opinion and emerging concepts

被引:75
作者
Desai, Saral S. [1 ]
Jambhekar, Nirmala A. [1 ]
机构
[1] Tata Mem Hosp, Dept Pathol, Bombay 400012, Maharashtra, India
关键词
Ewing's sarcoma; EWS-FLI1; translocation; pathology; PNET; ROUND-CELL TUMORS; GROWTH-FACTOR; NEUROECTODERMAL TUMOR; PROGNOSTIC-FACTORS; BINDING PROTEIN; FLI-1; PROTEIN; DNA-BINDING; GENE; FAMILY; EXPRESSION;
D O I
10.4103/0019-5413.69304
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
Ewing's sarcoma/PNET are small round cell tumors showing a varying degree of neuroectodermal differentiation. They are one of the commonest tumors of childhood and occur in bone and within soft tissues. Traditionally, light microscopy with the aid of immunohistochemical stains was suitable for diagnosis. But now translocation analyses are being used not only for the diagnosis and classification of small round cell tumors, but to ascertain their prognostic significance, detect micrometastasis, and monitor minimal residual disease, with potential for targeted therapy. This article analyzes the pathology, biology, and molecular aspects of Ewing's sarcoma/PNET and discusses their clinical and therapeutic implications.
引用
收藏
页码:363 / 368
页数:6
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