• Department of Pathology, Hebei Petrochina Central Hospital, Langfang, Hebei 065000, P. R. China;
YU Jing, Email: ygs851113@sina.com
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Objective To evaluate the diagnostic value of BRAFV600E mutation test in high-risk thyroid nodules with easily underdiagnosed fine-needle aspiration biopsy (FNAB) results.Methods Retrospectively collected 122 cases of thyroid nodule who treated in the Hebei Petrochina Central Hospital between January 2017 and December 2018, all the cases admitted preoperative ultrasound and FNAB detection. All of the patients had the non-positive cytological results of FNAB and the high-risk features of ultrasound. Contrasted the postoperative pathological coincidence rate of combination of FNAB and BRAFV600E test with FNAB alone.Results The BRAFV600E mutation rate was 27.0% (33/122). The positive rate of BRAFV600E mutation increased with the increase of ultrasound thyroid imaging reporting and data system(TI-RADS) grade (P<0.05), which was independent of patients’ age, gender, number of nodules, diameter of nodules, and FNAB results (P>0.05). The coincidence rate of FNAB combined with BRAFV600E mutation detection was higher than that of FNAB alone [86.9% (106/122) vs. 69.7% (85/122), P<0.05).Conclusions The BRAFV600E mutation test can detect papillary thyroid carcinoma that might be missed by FNAB. We recommend that FNAB should be routinely accompanied by the BRAFV600E mutation test in the high-risk thyroid nodules.

Citation: YU Jing, WANG Fengqin, YAO Wenjuan, WU Dongmei, LIU Dapeng. Diagnostic value of BRAFV600E mutation in high-risk thyroid nodules with easily underdiagnosed FNAB results. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2019, 26(9): 1083-1086. doi: 10.7507/1007-9424.201904098 Copy

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