Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
Pediatric_Oncology_A_Comprehensive_Guide.pdf
Скачиваний:
23
Добавлен:
10.02.2016
Размер:
1.86 Mб
Скачать

Ewing Sarcoma Family of Tumors

14

 

Thomas Kühne

 

Contents

14.1

Definition ...................................................................................................................

161

14.2

Epidemiology.............................................................................................................

162

14.3

Localization ...............................................................................................................

162

14.4

Pathogenesis...............................................................................................................

162

14.5

Genetics ....................................................................................................................

162

14.6

Pathology ...................................................................................................................

162

 

14.6.1

Macroscopic Aspects...................................................................................

163

 

14.6.2

Microscopic Aspects....................................................................................

163

 

14.6.3

Immunohistochemistry ................................................................................

163

14.7

Clinical Manifestations..............................................................................................

163

14.8

Metastases..................................................................................................................

164

14.9

Evaluation ..................................................................................................................

164

14.10

Differential Diagnosis................................................................................................

164

14.11

Treatment ...................................................................................................................

165

14.12

Prognosis....................................................................................................................

165

 

14.12.1

Complications ..............................................................................................

165

14.1Definition

Defined by the presence of t(11;22), resulting in the fusion gene EWS/FLI

Several different cytogenetic abnormalities, for example, t(21;22), t(7;22)

Histological subclassification based on neuroectodermal differentiation:

Classic Ewing sarcoma (ES) of the bone

Extraskeletal or soft tissue ES

Askin tumor (chest wall)

Peripheral primitive neuroectodermal tumor (PNET) of the bone and/or soft tissue

Common aspects of Ewing family of tumors (EFT):

Neuroectodermal histogenesis

Genetics (see below)

P. Imbach et al. (eds.), Pediatric Oncology,

161

DOI 10.1007/978-3-642-20359-6_14, © Springer-Verlag Berlin Heidelberg 2011

 

Соседние файлы в предмете [НЕСОРТИРОВАННОЕ]