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Related Experiment Video

Updated: Jan 23, 2026

Induction of Mesenchymal-Epithelial Transitions in Sarcoma Cells

Induction of Mesenchymal-Epithelial Transitions in Sarcoma Cells

Published on: April 7, 2017

[Round-cell sarcomas].

H-U Schildhaus¹, M Evert²

¹Institut für Pathologie, Universitätsklinikum Essen, Universität Duisburg-Essen, Hufelandstraße 55, 45147, Essen, Deutschland. hans-ulrich.schildhaus@uk-essen.de.

|June 27, 2019

Summary

This summary is machine-generated.

Malignant round-cell sarcomas in young people are driven by genetic translocations. Molecular classification is crucial, with immunohistochemistry serving as a potential surrogate marker for these aggressive tumors.

Keywords:

Alveolar rhabdomyosarcoma Desmoplastic small round cell tumor Ewing sarcoma Genetic translocation Neoadjuvant therapy

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Area of Science:

Pediatric Oncology
Molecular Pathology
Cancer Genetics

Background:

Round-cell sarcomas are aggressive cancers primarily affecting children, adolescents, and young adults.
These tumors arise from specific genetic translocations involving transcription factors.
Examples include Ewing's sarcoma, Ewing-like sarcomas, desmoplastic small round-cell tumors (DSRCTs), and alveolar rhabdomyosarcomas (ARMs).

Purpose of the Study:

To highlight the genetic underpinnings of various round-cell sarcomas.
To emphasize the importance of molecular classification for accurate diagnosis and treatment.
To explore the utility of immunohistochemistry as a surrogate marker.

Main Methods:

Review of scientific literature on round-cell sarcomas.
Analysis of genetic translocation data.
Correlation of molecular findings with immunohistochemical profiles and clinical phenotypes.

Main Results:

Round-cell sarcomas are characterized by recurrent translocations.
Distinct genetic profiles correlate with specific immunohistochemical expression and clinical presentation.
Immunohistochemistry can reflect underlying molecular alterations.

Conclusions:

Accurate classification of round-cell sarcomas should be molecularly driven.
Immunohistochemistry offers a practical surrogate for molecular diagnosis.
Understanding these genetic differences is key to managing these pediatric malignancies.