HABP2 and familial papillary or follicular thyroid carcinoma: (21), the overall prevalence of HABP2 p.Gly534Glu was six per 43 (14.0%) PTC patients from the 29 kindreds with NS-FNMTC and four per 29 (13.8%) kindreds; therefore, these results are apparently consistent with HABP2 p.Gly534Glu being a susceptibility gene in a subgroup of FNMTC.