The Genetics of Papillary Microcarcinomas of the Thyroid: Diagnostic and Prognostic Implications.

Abstract:

:Papillary microcarcinoma of the thyroid (mPTC) is defined by the WHO as a papillary thy-roid cancer measuring 10mm or less in diameter and it is nowadays a topic of intense debate among the members of the medical community due to its apparent "epidemic" rise. Although these tumors follow almost always an indolent clinical course and carry an excellent prognosis, it is known that a small sub-set may display a potentially aggressive behavior. Nevertheless, we still lack an accurate way of predict-ing those which will cause significant disease. In an attempt to address this problem, a number of clini-co-pathologic features have been studied as poor prognostic markers in mPTC, and their association with known genetic alterations in thyroid cancer has been evaluated. Herein we review the present knowledge concerning mPTC's genetic profile, namely the prevalence of BRAF (V600E), RAS and TERT promoter mutations and RET/PTC and PAX8-PPARG rearrangements and report the results of the evaluation in the putative prognostic value of these genetic alterations in mPTC.

journal_name

Curr Genomics

journal_title

Current genomics

authors

Rodrigues AC,Penna G,Rodrigues E,Castro P,Sobrinho-Simões M,Soares P

doi

10.2174/1389202918666170105094459

subject

Has Abstract

pub_date

2017-06-01 00:00:00

pages

244-254

issue

3

eissn

1389-2029

issn

1875-5488

pii

CG-18-244

journal_volume

18

pub_type

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