Τρίτη 27 Μαρτίου 2018

[Desmoplastic small round cell tumor in children, adolescents and young adults].

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[Desmoplastic small round cell tumor in children, adolescents and young adults].

Bull Cancer. 2018 Mar 22;:

Authors: de Marcellus C, Sarnacki S, Pierron G, Ranchère-Vince D, Scalabre A, Bolle S, Minard-Colin V, Corradini N, Fayard C, Orbach D

Abstract
Desmoplastic small round cell tumor (DSRCT) is a rare sarcoma that typically affects pediatric and young adult patients with a median age in the general and in the pediatric population of 24.6 years (range 4-58 years) and 15.0 years (range 0-21 years) respectively, with a strong male predominance. This tumor is characterized by a specific t(11;22)(p13;q12) that results in fusion of EWS and WT1 genes which can be demonstrated by RT-PCR or by FISH. DSRCT most frequently presents as an intra-abdominal primary mass associated with peritoneal seeding and a highly aggressive pattern of spread. Generally, all tumors showed the typical histologic findings of variably sized clusters of poly-phenotypic small, round, or spindled cells lying in a desmoplastic stroma. Treatment of this malignancy remains a challenge. The combination of polychemotherapy regimens and aggressive surgery followed by whole abdomen radiation therapy represents nowadays a classical protocol for DSRCT. The survival rate of DSRCT patients is still disappointing around 20 %. However, the survival of patients who had complete resection of the tumor appears better. Hopes are turning to targeted therapeutics against this simple genomic sarcoma. Authors summarize medical knowledge of this rare tumor.

PMID: 29576221 [PubMed - as supplied by publisher]



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