This report describes general characteristics of the group of diseases classified as nonmedullary thyroid carcinoma (NMTC). A number of different chromosomal rearrangements involving fusions and subsequent activation of the 'rearranged during transfection' (RET) proto-oncogene have been associated with nonmedullary (or papillary) thyroid carcinoma. Drosophila models of this disease make use of several RET fusion constructs: CCDC6-RET fusion (FBhh0000661) and NCOA4-RET fusion (FBhh0000662).
[updated Nov. 2017 by FlyBase; FBrf0222196]
Nonmedullary thyroid cancer (NMTC) comprises thyroid cancers of follicular cell origin and accounts for more than 95% of all thyroid cancer cases. Papillary thyroid cancer (PTC) is the most common histologic subtype (summary by Vriens et al., 2009; pubmed:20001717). PTCs smaller than 1 cm are referred to as papillary microcarcinomas; these tumors have been identified in up to 35% of individuals at autopsy, suggesting that they may be extremely common, although rarely clinically relevant (summary by Bonora et al., 2010; pubmed:20628519). [from MIM:188550; 2017.11.24]