Preliminary study of high-frequency ultrasound in the diagnosis of vocal cord polyps
10.3760/cma.j.cn131148-20220208-00089
- VernacularTitle:高频超声诊断声带息肉的初步研究
- Author:
Hua WANG
1
;
Jie ZHANG
;
Jin HOU
;
Yunjie DING
;
Xiaopeng LI
;
Jue JIANG
;
Qi ZHOU
Author Information
1. 西安交通大学第二附属医院超声科，西安 710004
- Keywords:
High-frequency ultrasound;
Vocal cord polyps;
Thyroid cartilage calcification
- From:
Chinese Journal of Ultrasonography
2022;31(9):791-796
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To explore the characteristics of vocal cord polyps and to study the application value of high-frequency ultrasound in the diagnosis of vocal cord polyps.Methods:A total of 169 patients diagnosed with vocal cord polyps ( 176 polyps in total ) by pathology in the Second Affiliated Hospital of Xi′an Jiaotong University from December 2016 to September 2021 were collected, the ultrasonic image characteristics of vocal cord polyps were summarized, and the characteristics of thyroid cartilage calcification at glottic level and the influence of the calcification range of thyroid cartilage at glottic level on the display of vocal cord polyps were observed.Results:The sonogram images of all vocal cord polyps showed the localized uniform low echo between the upper cortex and the ligament layer, the morphology could be circular and flat, and all polyps could be divided into high tension type and low tension type, no blood flow signal was found in 96.8% of the polyps. Round polyps were more easier to be detected by ultrasound than flat polyps, but there was no significant difference( P>0.05). The incidence of thyroid cartilage calcification at glottis level was higher in men than in women, and the difference was statistically significant( P<0.05). The range of thyroid cartilage calcification at the glottic level affects the display rate of vocal cord polyps.With the increase of calcification range, the display rate of vocal cord polyps gradually decreased. There was significant difference in the display rate of vocal cord polyps between non calcification group and moderate calcification group, non calcification group and severe calcification group(all P<0.05). Conclusions:Vocal cord polyps have typical sonographic appearance. High-frequency ultrasound can identify the morphology, location and size of vocal cord polyps. Especially for patients with no or mild calcification of thyroid cartilage at glottic level, ultrasound can meet the requirements of accurate diagnosis. It is expected to become an effective supplement to laryngoscopy, and apply for to the preliminary screening of vocal cord polyps and postoperative review.
